Home / 132,259.40-182,518.08-71,829.80

Finding the Fourth Proportional to 132,259.40, 182,518.08 and 71,829.80

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Solution

The fourth proportional to 132,259.40, 182,518.08 and 71,829.80 is: 99,125.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,259.40 : 182,518.08 = 71,829.80 : x
  2. Step 2: Convert to fraction form
    132,259.40/182,518.08 = 71,829.80/x
  3. Step 3: Cross multiply
    132,259.40x = 182,518.08 × 71,829.80
  4. Step 4: Simplify right side
    132,259.40x = 13,110,237,182.78
  5. Step 5: Solve for x
    x = 13,110,237,182.78/132,259.40
  6. Step 6: Final answer
    x = 99,125.18

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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.