Home / 126,159.16-189,369.98-92,916.76

Finding the Fourth Proportional to 126,159.16, 189,369.98 and 92,916.76

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Solution

The fourth proportional to 126,159.16, 189,369.98 and 92,916.76 is: 139,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,159.16 : 189,369.98 = 92,916.76 : x
  2. Step 2: Convert to fraction form
    126,159.16/189,369.98 = 92,916.76/x
  3. Step 3: Cross multiply
    126,159.16x = 189,369.98 × 92,916.76
  4. Step 4: Simplify right side
    126,159.16x = 17,595,644,982.86
  5. Step 5: Solve for x
    x = 17,595,644,982.86/126,159.16
  6. Step 6: Final answer
    x = 139,471.80

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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.