Home / 191,567.33-287,351.04-79,123.96

Finding the Fourth Proportional to 191,567.33, 287,351.04 and 79,123.96

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Solution

The fourth proportional to 191,567.33, 287,351.04 and 79,123.96 is: 118,685.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,567.33 : 287,351.04 = 79,123.96 : x
  2. Step 2: Convert to fraction form
    191,567.33/287,351.04 = 79,123.96/x
  3. Step 3: Cross multiply
    191,567.33x = 287,351.04 × 79,123.96
  4. Step 4: Simplify right side
    191,567.33x = 22,736,350,758.16
  5. Step 5: Solve for x
    x = 22,736,350,758.16/191,567.33
  6. Step 6: Final answer
    x = 118,685.95

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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.