Home / 123,596.04-170,397.63-98,186.76

Finding the Fourth Proportional to 123,596.04, 170,397.63 and 98,186.76

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Solution

The fourth proportional to 123,596.04, 170,397.63 and 98,186.76 is: 135,366.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,596.04 : 170,397.63 = 98,186.76 : x
  2. Step 2: Convert to fraction form
    123,596.04/170,397.63 = 98,186.76/x
  3. Step 3: Cross multiply
    123,596.04x = 170,397.63 × 98,186.76
  4. Step 4: Simplify right side
    123,596.04x = 16,730,791,201.38
  5. Step 5: Solve for x
    x = 16,730,791,201.38/123,596.04
  6. Step 6: Final answer
    x = 135,366.73

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1.5x scale

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.