Home / 191,701.16-287,551.68-51,459.76

Finding the Fourth Proportional to 191,701.16, 287,551.68 and 51,459.76

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Solution

The fourth proportional to 191,701.16, 287,551.68 and 51,459.76 is: 77,189.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,701.16 : 287,551.68 = 51,459.76 : x
  2. Step 2: Convert to fraction form
    191,701.16/287,551.68 = 51,459.76/x
  3. Step 3: Cross multiply
    191,701.16x = 287,551.68 × 51,459.76
  4. Step 4: Simplify right side
    191,701.16x = 14,797,340,440.40
  5. Step 5: Solve for x
    x = 14,797,340,440.40/191,701.16
  6. Step 6: Final answer
    x = 77,189.62

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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.