Home / 131,945.12-182,064.48-75,344.48

Finding the Fourth Proportional to 131,945.12, 182,064.48 and 75,344.48

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Solution

The fourth proportional to 131,945.12, 182,064.48 and 75,344.48 is: 103,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,945.12 : 182,064.48 = 75,344.48 : x
  2. Step 2: Convert to fraction form
    131,945.12/182,064.48 = 75,344.48/x
  3. Step 3: Cross multiply
    131,945.12x = 182,064.48 × 75,344.48
  4. Step 4: Simplify right side
    131,945.12x = 13,717,553,572.07
  5. Step 5: Solve for x
    x = 13,717,553,572.07/131,945.12
  6. Step 6: Final answer
    x = 103,964.08

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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.