Home / 167,742.95-231,397.04-99,711.53

Finding the Fourth Proportional to 167,742.95, 231,397.04 and 99,711.53

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Solution

The fourth proportional to 167,742.95, 231,397.04 and 99,711.53 is: 137,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,742.95 : 231,397.04 = 99,711.53 : x
  2. Step 2: Convert to fraction form
    167,742.95/231,397.04 = 99,711.53/x
  3. Step 3: Cross multiply
    167,742.95x = 231,397.04 × 99,711.53
  4. Step 4: Simplify right side
    167,742.95x = 23,072,952,108.07
  5. Step 5: Solve for x
    x = 23,072,952,108.07/167,742.95
  6. Step 6: Final answer
    x = 137,549.46

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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.