Home / 110,531.08-152,535.42-65,220.16

Finding the Fourth Proportional to 110,531.08, 152,535.42 and 65,220.16

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Solution

The fourth proportional to 110,531.08, 152,535.42 and 65,220.16 is: 90,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,531.08 : 152,535.42 = 65,220.16 : x
  2. Step 2: Convert to fraction form
    110,531.08/152,535.42 = 65,220.16/x
  3. Step 3: Cross multiply
    110,531.08x = 152,535.42 × 65,220.16
  4. Step 4: Simplify right side
    110,531.08x = 9,948,384,498.07
  5. Step 5: Solve for x
    x = 9,948,384,498.07/110,531.08
  6. Step 6: Final answer
    x = 90,005.31

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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.