Home / 132,312.86-182,551.51-74,943.06

Finding the Fourth Proportional to 132,312.86, 182,551.51 and 74,943.06

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Solution

The fourth proportional to 132,312.86, 182,551.51 and 74,943.06 is: 103,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,312.86 : 182,551.51 = 74,943.06 : x
  2. Step 2: Convert to fraction form
    132,312.86/182,551.51 = 74,943.06/x
  3. Step 3: Cross multiply
    132,312.86x = 182,551.51 × 74,943.06
  4. Step 4: Simplify right side
    132,312.86x = 13,680,969,202.98
  5. Step 5: Solve for x
    x = 13,680,969,202.98/132,312.86
  6. Step 6: Final answer
    x = 103,398.64

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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.