Home / 191,962.56-287,719.66-144,424.95

Finding the Fourth Proportional to 191,962.56, 287,719.66 and 144,424.95

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Solution

The fourth proportional to 191,962.56, 287,719.66 and 144,424.95 is: 216,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,962.56 : 287,719.66 = 144,424.95 : x
  2. Step 2: Convert to fraction form
    191,962.56/287,719.66 = 144,424.95/x
  3. Step 3: Cross multiply
    191,962.56x = 287,719.66 × 144,424.95
  4. Step 4: Simplify right side
    191,962.56x = 41,553,897,509.52
  5. Step 5: Solve for x
    x = 41,553,897,509.52/191,962.56
  6. Step 6: Final answer
    x = 216,468.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.