Home / 110,929.32-153,098.40-63,187.20

Finding the Fourth Proportional to 110,929.32, 153,098.40 and 63,187.20

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Solution

The fourth proportional to 110,929.32, 153,098.40 and 63,187.20 is: 87,207.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,929.32 : 153,098.40 = 63,187.20 : x
  2. Step 2: Convert to fraction form
    110,929.32/153,098.40 = 63,187.20/x
  3. Step 3: Cross multiply
    110,929.32x = 153,098.40 × 63,187.20
  4. Step 4: Simplify right side
    110,929.32x = 9,673,859,220.48
  5. Step 5: Solve for x
    x = 9,673,859,220.48/110,929.32
  6. Step 6: Final answer
    x = 87,207.41

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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.