Home / 132,180.48-182,348.64-91,990.08

Finding the Fourth Proportional to 132,180.48, 182,348.64 and 91,990.08

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Solution

The fourth proportional to 132,180.48, 182,348.64 and 91,990.08 is: 126,904.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,180.48 : 182,348.64 = 91,990.08 : x
  2. Step 2: Convert to fraction form
    132,180.48/182,348.64 = 91,990.08/x
  3. Step 3: Cross multiply
    132,180.48x = 182,348.64 × 91,990.08
  4. Step 4: Simplify right side
    132,180.48x = 16,774,265,981.49
  5. Step 5: Solve for x
    x = 16,774,265,981.49/132,180.48
  6. Step 6: Final answer
    x = 126,904.26

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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.