Home / 191,557.24-287,335.32-86,252.92

Finding the Fourth Proportional to 191,557.24, 287,335.32 and 86,252.92

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Solution

The fourth proportional to 191,557.24, 287,335.32 and 86,252.92 is: 129,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,557.24 : 287,335.32 = 86,252.92 : x
  2. Step 2: Convert to fraction form
    191,557.24/287,335.32 = 86,252.92/x
  3. Step 3: Cross multiply
    191,557.24x = 287,335.32 × 86,252.92
  4. Step 4: Simplify right side
    191,557.24x = 24,783,510,369.13
  5. Step 5: Solve for x
    x = 24,783,510,369.13/191,557.24
  6. Step 6: Final answer
    x = 129,379.14

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1.5x scale

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.