Home / 132,708.16-183,144.95-99,943.93

Finding the Fourth Proportional to 132,708.16, 183,144.95 and 99,943.93

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Solution

The fourth proportional to 132,708.16, 183,144.95 and 99,943.93 is: 137,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,708.16 : 183,144.95 = 99,943.93 : x
  2. Step 2: Convert to fraction form
    132,708.16/183,144.95 = 99,943.93/x
  3. Step 3: Cross multiply
    132,708.16x = 183,144.95 × 99,943.93
  4. Step 4: Simplify right side
    132,708.16x = 18,304,226,062.65
  5. Step 5: Solve for x
    x = 18,304,226,062.65/132,708.16
  6. Step 6: Final answer
    x = 137,928.41

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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.