Home / 132,673.92-183,030.78-89,639.52

Finding the Fourth Proportional to 132,673.92, 183,030.78 and 89,639.52

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Solution

The fourth proportional to 132,673.92, 183,030.78 and 89,639.52 is: 123,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,673.92 : 183,030.78 = 89,639.52 : x
  2. Step 2: Convert to fraction form
    132,673.92/183,030.78 = 89,639.52/x
  3. Step 3: Cross multiply
    132,673.92x = 183,030.78 × 89,639.52
  4. Step 4: Simplify right side
    132,673.92x = 16,406,791,264.43
  5. Step 5: Solve for x
    x = 16,406,791,264.43/132,673.92
  6. Step 6: Final answer
    x = 123,662.52

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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.