Home / 456,769.40-685,154.10-141,258.20

Finding the Fourth Proportional to 456,769.40, 685,154.10 and 141,258.20

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Solution

The fourth proportional to 456,769.40, 685,154.10 and 141,258.20 is: 211,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,769.40 : 685,154.10 = 141,258.20 : x
  2. Step 2: Convert to fraction form
    456,769.40/685,154.10 = 141,258.20/x
  3. Step 3: Cross multiply
    456,769.40x = 685,154.10 × 141,258.20
  4. Step 4: Simplify right side
    456,769.40x = 96,783,634,888.62
  5. Step 5: Solve for x
    x = 96,783,634,888.62/456,769.40
  6. Step 6: Final answer
    x = 211,887.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.