Home / 370,127.75-555,196.17-130,248.82

Finding the Fourth Proportional to 370,127.75, 555,196.17 and 130,248.82

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Solution

The fourth proportional to 370,127.75, 555,196.17 and 130,248.82 is: 195,374.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,127.75 : 555,196.17 = 130,248.82 : x
  2. Step 2: Convert to fraction form
    370,127.75/555,196.17 = 130,248.82/x
  3. Step 3: Cross multiply
    370,127.75x = 555,196.17 × 130,248.82
  4. Step 4: Simplify right side
    370,127.75x = 72,313,643,235.04
  5. Step 5: Solve for x
    x = 72,313,643,235.04/370,127.75
  6. Step 6: Final answer
    x = 195,374.82

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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.