Home / 191,572.17-264,377.80-106,689.23

Finding the Fourth Proportional to 191,572.17, 264,377.80 and 106,689.23

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Solution

The fourth proportional to 191,572.17, 264,377.80 and 106,689.23 is: 147,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,572.17 : 264,377.80 = 106,689.23 : x
  2. Step 2: Convert to fraction form
    191,572.17/264,377.80 = 106,689.23/x
  3. Step 3: Cross multiply
    191,572.17x = 264,377.80 × 106,689.23
  4. Step 4: Simplify right side
    191,572.17x = 28,206,264,901.05
  5. Step 5: Solve for x
    x = 28,206,264,901.05/191,572.17
  6. Step 6: Final answer
    x = 147,235.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.