Home / 113,444.06-156,551.28-63,143.06

Finding the Fourth Proportional to 113,444.06, 156,551.28 and 63,143.06

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Solution

The fourth proportional to 113,444.06, 156,551.28 and 63,143.06 is: 87,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,444.06 : 156,551.28 = 63,143.06 : x
  2. Step 2: Convert to fraction form
    113,444.06/156,551.28 = 63,143.06/x
  3. Step 3: Cross multiply
    113,444.06x = 156,551.28 × 63,143.06
  4. Step 4: Simplify right side
    113,444.06x = 9,885,126,866.12
  5. Step 5: Solve for x
    x = 9,885,126,866.12/113,444.06
  6. Step 6: Final answer
    x = 87,136.58

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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.