Home / 191,604.57-287,152.18-101,628.75

Finding the Fourth Proportional to 191,604.57, 287,152.18 and 101,628.75

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Solution

The fourth proportional to 191,604.57, 287,152.18 and 101,628.75 is: 152,308.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,604.57 : 287,152.18 = 101,628.75 : x
  2. Step 2: Convert to fraction form
    191,604.57/287,152.18 = 101,628.75/x
  3. Step 3: Cross multiply
    191,604.57x = 287,152.18 × 101,628.75
  4. Step 4: Simplify right side
    191,604.57x = 29,182,917,113.18
  5. Step 5: Solve for x
    x = 29,182,917,113.18/191,604.57
  6. Step 6: Final answer
    x = 152,308.04

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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.