Home / 191,837.60-287,731.20-58,731.20

Finding the Fourth Proportional to 191,837.60, 287,731.20 and 58,731.20

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Solution

The fourth proportional to 191,837.60, 287,731.20 and 58,731.20 is: 88,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,837.60 : 287,731.20 = 58,731.20 : x
  2. Step 2: Convert to fraction form
    191,837.60/287,731.20 = 58,731.20/x
  3. Step 3: Cross multiply
    191,837.60x = 287,731.20 × 58,731.20
  4. Step 4: Simplify right side
    191,837.60x = 16,898,798,653.44
  5. Step 5: Solve for x
    x = 16,898,798,653.44/191,837.60
  6. Step 6: Final answer
    x = 88,089.09

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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.