Home / 131,701.68-181,703.45-74,334.24

Finding the Fourth Proportional to 131,701.68, 181,703.45 and 74,334.24

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Solution

The fourth proportional to 131,701.68, 181,703.45 and 74,334.24 is: 102,555.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,701.68 : 181,703.45 = 74,334.24 : x
  2. Step 2: Convert to fraction form
    131,701.68/181,703.45 = 74,334.24/x
  3. Step 3: Cross multiply
    131,701.68x = 181,703.45 × 74,334.24
  4. Step 4: Simplify right side
    131,701.68x = 13,506,788,046.96
  5. Step 5: Solve for x
    x = 13,506,788,046.96/131,701.68
  6. Step 6: Final answer
    x = 102,555.93

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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.