Home / 157,493.04-217,339.56-85,872.84

Finding the Fourth Proportional to 157,493.04, 217,339.56 and 85,872.84

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Solution

The fourth proportional to 157,493.04, 217,339.56 and 85,872.84 is: 118,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,493.04 : 217,339.56 = 85,872.84 : x
  2. Step 2: Convert to fraction form
    157,493.04/217,339.56 = 85,872.84/x
  3. Step 3: Cross multiply
    157,493.04x = 217,339.56 × 85,872.84
  4. Step 4: Simplify right side
    157,493.04x = 18,663,565,261.55
  5. Step 5: Solve for x
    x = 18,663,565,261.55/157,493.04
  6. Step 6: Final answer
    x = 118,504.06

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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.