Home / 131,127.18-180,953.56-73,762.17

Finding the Fourth Proportional to 131,127.18, 180,953.56 and 73,762.17

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Solution

The fourth proportional to 131,127.18, 180,953.56 and 73,762.17 is: 101,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,127.18 : 180,953.56 = 73,762.17 : x
  2. Step 2: Convert to fraction form
    131,127.18/180,953.56 = 73,762.17/x
  3. Step 3: Cross multiply
    131,127.18x = 180,953.56 × 73,762.17
  4. Step 4: Simplify right side
    131,127.18x = 13,347,527,254.83
  5. Step 5: Solve for x
    x = 13,347,527,254.83/131,127.18
  6. Step 6: Final answer
    x = 101,790.70

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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.