Home / 119,897.85-165,459.06-66,182.90

Finding the Fourth Proportional to 119,897.85, 165,459.06 and 66,182.90

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Solution

The fourth proportional to 119,897.85, 165,459.06 and 66,182.90 is: 91,332.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,897.85 : 165,459.06 = 66,182.90 : x
  2. Step 2: Convert to fraction form
    119,897.85/165,459.06 = 66,182.90/x
  3. Step 3: Cross multiply
    119,897.85x = 165,459.06 × 66,182.90
  4. Step 4: Simplify right side
    119,897.85x = 10,950,559,594.78
  5. Step 5: Solve for x
    x = 10,950,559,594.78/119,897.85
  6. Step 6: Final answer
    x = 91,332.41

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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.