Home / 132,393.12-198,547.56-43,630.08

Finding the Fourth Proportional to 132,393.12, 198,547.56 and 43,630.08

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Solution

The fourth proportional to 132,393.12, 198,547.56 and 43,630.08 is: 65,431.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,393.12 : 198,547.56 = 43,630.08 : x
  2. Step 2: Convert to fraction form
    132,393.12/198,547.56 = 43,630.08/x
  3. Step 3: Cross multiply
    132,393.12x = 198,547.56 × 43,630.08
  4. Step 4: Simplify right side
    132,393.12x = 8,662,645,926.60
  5. Step 5: Solve for x
    x = 8,662,645,926.60/132,393.12
  6. Step 6: Final answer
    x = 65,431.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.