Home / 151,681.68-209,255.40-95,082.12

Finding the Fourth Proportional to 151,681.68, 209,255.40 and 95,082.12

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Solution

The fourth proportional to 151,681.68, 209,255.40 and 95,082.12 is: 131,172.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,681.68 : 209,255.40 = 95,082.12 : x
  2. Step 2: Convert to fraction form
    151,681.68/209,255.40 = 95,082.12/x
  3. Step 3: Cross multiply
    151,681.68x = 209,255.40 × 95,082.12
  4. Step 4: Simplify right side
    151,681.68x = 19,896,447,053.45
  5. Step 5: Solve for x
    x = 19,896,447,053.45/151,681.68
  6. Step 6: Final answer
    x = 131,172.38

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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.