Home / 113,631.98-156,812.92-63,334.22

Finding the Fourth Proportional to 113,631.98, 156,812.92 and 63,334.22

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Solution

The fourth proportional to 113,631.98, 156,812.92 and 63,334.22 is: 87,401.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,631.98 : 156,812.92 = 63,334.22 : x
  2. Step 2: Convert to fraction form
    113,631.98/156,812.92 = 63,334.22/x
  3. Step 3: Cross multiply
    113,631.98x = 156,812.92 × 63,334.22
  4. Step 4: Simplify right side
    113,631.98x = 9,931,623,974.12
  5. Step 5: Solve for x
    x = 9,931,623,974.12/113,631.98
  6. Step 6: Final answer
    x = 87,401.66

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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.