Home / 119,040.13-164,277.40-65,330.15

Finding the Fourth Proportional to 119,040.13, 164,277.40 and 65,330.15

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Solution

The fourth proportional to 119,040.13, 164,277.40 and 65,330.15 is: 90,156.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,040.13 : 164,277.40 = 65,330.15 : x
  2. Step 2: Convert to fraction form
    119,040.13/164,277.40 = 65,330.15/x
  3. Step 3: Cross multiply
    119,040.13x = 164,277.40 × 65,330.15
  4. Step 4: Simplify right side
    119,040.13x = 10,732,267,183.61
  5. Step 5: Solve for x
    x = 10,732,267,183.61/119,040.13
  6. Step 6: Final answer
    x = 90,156.72

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1.5x scale

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.