Home / 140,528.76-193,875.22-89,532.36

Finding the Fourth Proportional to 140,528.76, 193,875.22 and 89,532.36

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Solution

The fourth proportional to 140,528.76, 193,875.22 and 89,532.36 is: 123,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,528.76 : 193,875.22 = 89,532.36 : x
  2. Step 2: Convert to fraction form
    140,528.76/193,875.22 = 89,532.36/x
  3. Step 3: Cross multiply
    140,528.76x = 193,875.22 × 89,532.36
  4. Step 4: Simplify right side
    140,528.76x = 17,358,105,992.12
  5. Step 5: Solve for x
    x = 17,358,105,992.12/140,528.76
  6. Step 6: Final answer
    x = 123,519.95

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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.