Home / 125,011.62-187,298.76-104,086.20

Finding the Fourth Proportional to 125,011.62, 187,298.76 and 104,086.20

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Solution

The fourth proportional to 125,011.62, 187,298.76 and 104,086.20 is: 155,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,011.62 : 187,298.76 = 104,086.20 : x
  2. Step 2: Convert to fraction form
    125,011.62/187,298.76 = 104,086.20/x
  3. Step 3: Cross multiply
    125,011.62x = 187,298.76 × 104,086.20
  4. Step 4: Simplify right side
    125,011.62x = 19,495,216,193.11
  5. Step 5: Solve for x
    x = 19,495,216,193.11/125,011.62
  6. Step 6: Final answer
    x = 155,947.23

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1.5x scale

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.