Home / 191,427.85-287,182.80-58,318.83

Finding the Fourth Proportional to 191,427.85, 287,182.80 and 58,318.83

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Solution

The fourth proportional to 191,427.85, 287,182.80 and 58,318.83 is: 87,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,427.85 : 287,182.80 = 58,318.83 : x
  2. Step 2: Convert to fraction form
    191,427.85/287,182.80 = 58,318.83/x
  3. Step 3: Cross multiply
    191,427.85x = 287,182.80 × 58,318.83
  4. Step 4: Simplify right side
    191,427.85x = 16,748,164,892.12
  5. Step 5: Solve for x
    x = 16,748,164,892.12/191,427.85
  6. Step 6: Final answer
    x = 87,490.74

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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.