Home / 191,811.52-287,705.20-58,681.20

Finding the Fourth Proportional to 191,811.52, 287,705.20 and 58,681.20

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Solution

The fourth proportional to 191,811.52, 287,705.20 and 58,681.20 is: 88,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,811.52 : 287,705.20 = 58,681.20 : x
  2. Step 2: Convert to fraction form
    191,811.52/287,705.20 = 58,681.20/x
  3. Step 3: Cross multiply
    191,811.52x = 287,705.20 × 58,681.20
  4. Step 4: Simplify right side
    191,811.52x = 16,882,886,382.24
  5. Step 5: Solve for x
    x = 16,882,886,382.24/191,811.52
  6. Step 6: Final answer
    x = 88,018.10

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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.