Home / 156,061.74-215,363.67-84,440.19

Finding the Fourth Proportional to 156,061.74, 215,363.67 and 84,440.19

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Solution

The fourth proportional to 156,061.74, 215,363.67 and 84,440.19 is: 116,526.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,061.74 : 215,363.67 = 84,440.19 : x
  2. Step 2: Convert to fraction form
    156,061.74/215,363.67 = 84,440.19/x
  3. Step 3: Cross multiply
    156,061.74x = 215,363.67 × 84,440.19
  4. Step 4: Simplify right side
    156,061.74x = 18,185,349,213.90
  5. Step 5: Solve for x
    x = 18,185,349,213.90/156,061.74
  6. Step 6: Final answer
    x = 116,526.63

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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.