Home / 132,406.88-198,547.76-48,108.28

Finding the Fourth Proportional to 132,406.88, 198,547.76 and 48,108.28

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Solution

The fourth proportional to 132,406.88, 198,547.76 and 48,108.28 is: 72,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,406.88 : 198,547.76 = 48,108.28 : x
  2. Step 2: Convert to fraction form
    132,406.88/198,547.76 = 48,108.28/x
  3. Step 3: Cross multiply
    132,406.88x = 198,547.76 × 48,108.28
  4. Step 4: Simplify right side
    132,406.88x = 9,551,791,231.45
  5. Step 5: Solve for x
    x = 9,551,791,231.45/132,406.88
  6. Step 6: Final answer
    x = 72,139.69

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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.