Home / 119,575.12-165,013.86-65,860.24

Finding the Fourth Proportional to 119,575.12, 165,013.86 and 65,860.24

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Solution

The fourth proportional to 119,575.12, 165,013.86 and 65,860.24 is: 90,887.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,575.12 : 165,013.86 = 65,860.24 : x
  2. Step 2: Convert to fraction form
    119,575.12/165,013.86 = 65,860.24/x
  3. Step 3: Cross multiply
    119,575.12x = 165,013.86 × 65,860.24
  4. Step 4: Simplify right side
    119,575.12x = 10,867,852,422.93
  5. Step 5: Solve for x
    x = 10,867,852,422.93/119,575.12
  6. Step 6: Final answer
    x = 90,887.24

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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.