Home / 145,033.83-217,884.29-103,016.12

Finding the Fourth Proportional to 145,033.83, 217,884.29 and 103,016.12

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Solution

The fourth proportional to 145,033.83, 217,884.29 and 103,016.12 is: 154,761.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,033.83 : 217,884.29 = 103,016.12 : x
  2. Step 2: Convert to fraction form
    145,033.83/217,884.29 = 103,016.12/x
  3. Step 3: Cross multiply
    145,033.83x = 217,884.29 × 103,016.12
  4. Step 4: Simplify right side
    145,033.83x = 22,445,592,560.25
  5. Step 5: Solve for x
    x = 22,445,592,560.25/145,033.83
  6. Step 6: Final answer
    x = 154,761.08

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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.