Home / 191,400.64-287,115.60-58,292.24

Finding the Fourth Proportional to 191,400.64, 287,115.60 and 58,292.24

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Solution

The fourth proportional to 191,400.64, 287,115.60 and 58,292.24 is: 87,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,400.64 : 287,115.60 = 58,292.24 : x
  2. Step 2: Convert to fraction form
    191,400.64/287,115.60 = 58,292.24/x
  3. Step 3: Cross multiply
    191,400.64x = 287,115.60 × 58,292.24
  4. Step 4: Simplify right side
    191,400.64x = 16,736,611,462.94
  5. Step 5: Solve for x
    x = 16,736,611,462.94/191,400.64
  6. Step 6: Final answer
    x = 87,442.82

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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.