Home / 132,501.40-182,919.49-89,707.04

Finding the Fourth Proportional to 132,501.40, 182,919.49 and 89,707.04

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Solution

The fourth proportional to 132,501.40, 182,919.49 and 89,707.04 is: 123,841.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,501.40 : 182,919.49 = 89,707.04 : x
  2. Step 2: Convert to fraction form
    132,501.40/182,919.49 = 89,707.04/x
  3. Step 3: Cross multiply
    132,501.40x = 182,919.49 × 89,707.04
  4. Step 4: Simplify right side
    132,501.40x = 16,409,166,006.21
  5. Step 5: Solve for x
    x = 16,409,166,006.21/132,501.40
  6. Step 6: Final answer
    x = 123,841.45

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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.