Home / 113,491.50-156,619.36-63,191.58

Finding the Fourth Proportional to 113,491.50, 156,619.36 and 63,191.58

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Solution

The fourth proportional to 113,491.50, 156,619.36 and 63,191.58 is: 87,204.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,491.50 : 156,619.36 = 63,191.58 : x
  2. Step 2: Convert to fraction form
    113,491.50/156,619.36 = 63,191.58/x
  3. Step 3: Cross multiply
    113,491.50x = 156,619.36 × 63,191.58
  4. Step 4: Simplify right side
    113,491.50x = 9,897,024,816.99
  5. Step 5: Solve for x
    x = 9,897,024,816.99/113,491.50
  6. Step 6: Final answer
    x = 87,204.99

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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.