Home / 157,205.76-217,164.48-140,204.52

Finding the Fourth Proportional to 157,205.76, 217,164.48 and 140,204.52

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Solution

The fourth proportional to 157,205.76, 217,164.48 and 140,204.52 is: 193,678.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,205.76 : 217,164.48 = 140,204.52 : x
  2. Step 2: Convert to fraction form
    157,205.76/217,164.48 = 140,204.52/x
  3. Step 3: Cross multiply
    157,205.76x = 217,164.48 × 140,204.52
  4. Step 4: Simplify right side
    157,205.76x = 30,447,441,679.45
  5. Step 5: Solve for x
    x = 30,447,441,679.45/157,205.76
  6. Step 6: Final answer
    x = 193,678.92

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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.