Home / 153,850.13-230,016.56-130,419.16

Finding the Fourth Proportional to 153,850.13, 230,016.56 and 130,419.16

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Solution

The fourth proportional to 153,850.13, 230,016.56 and 130,419.16 is: 194,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,850.13 : 230,016.56 = 130,419.16 : x
  2. Step 2: Convert to fraction form
    153,850.13/230,016.56 = 130,419.16/x
  3. Step 3: Cross multiply
    153,850.13x = 230,016.56 × 130,419.16
  4. Step 4: Simplify right side
    153,850.13x = 29,998,567,341.60
  5. Step 5: Solve for x
    x = 29,998,567,341.60/153,850.13
  6. Step 6: Final answer
    x = 194,985.64

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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.