Home / 132,685.51-198,908.69-48,386.52

Finding the Fourth Proportional to 132,685.51, 198,908.69 and 48,386.52

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Solution

The fourth proportional to 132,685.51, 198,908.69 and 48,386.52 is: 72,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,685.51 : 198,908.69 = 48,386.52 : x
  2. Step 2: Convert to fraction form
    132,685.51/198,908.69 = 48,386.52/x
  3. Step 3: Cross multiply
    132,685.51x = 198,908.69 × 48,386.52
  4. Step 4: Simplify right side
    132,685.51x = 9,624,499,306.86
  5. Step 5: Solve for x
    x = 9,624,499,306.86/132,685.51
  6. Step 6: Final answer
    x = 72,536.17

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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.