Home / 228,122.12-314,810.57-126,154.45

Finding the Fourth Proportional to 228,122.12, 314,810.57 and 126,154.45

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Solution

The fourth proportional to 228,122.12, 314,810.57 and 126,154.45 is: 174,094.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,122.12 : 314,810.57 = 126,154.45 : x
  2. Step 2: Convert to fraction form
    228,122.12/314,810.57 = 126,154.45/x
  3. Step 3: Cross multiply
    228,122.12x = 314,810.57 × 126,154.45
  4. Step 4: Simplify right side
    228,122.12x = 39,714,752,541.01
  5. Step 5: Solve for x
    x = 39,714,752,541.01/228,122.12
  6. Step 6: Final answer
    x = 174,094.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.