Home / 113,319.12-156,426.48-73,035.12

Finding the Fourth Proportional to 113,319.12, 156,426.48 and 73,035.12

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Solution

The fourth proportional to 113,319.12, 156,426.48 and 73,035.12 is: 100,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,319.12 : 156,426.48 = 73,035.12 : x
  2. Step 2: Convert to fraction form
    113,319.12/156,426.48 = 73,035.12/x
  3. Step 3: Cross multiply
    113,319.12x = 156,426.48 × 73,035.12
  4. Step 4: Simplify right side
    113,319.12x = 11,424,626,737.98
  5. Step 5: Solve for x
    x = 11,424,626,737.98/113,319.12
  6. Step 6: Final answer
    x = 100,818.17

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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.