Home / 157,242.07-216,965.22-92,731.55

Finding the Fourth Proportional to 157,242.07, 216,965.22 and 92,731.55

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Solution

The fourth proportional to 157,242.07, 216,965.22 and 92,731.55 is: 127,952.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,242.07 : 216,965.22 = 92,731.55 : x
  2. Step 2: Convert to fraction form
    157,242.07/216,965.22 = 92,731.55/x
  3. Step 3: Cross multiply
    157,242.07x = 216,965.22 × 92,731.55
  4. Step 4: Simplify right side
    157,242.07x = 20,119,521,146.69
  5. Step 5: Solve for x
    x = 20,119,521,146.69/157,242.07
  6. Step 6: Final answer
    x = 127,952.53

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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.