Home / 113,627.22-157,089-85,283.70

Finding the Fourth Proportional to 113,627.22, 157,089 and 85,283.70

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Solution

The fourth proportional to 113,627.22, 157,089 and 85,283.70 is: 117,904.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,627.22 : 157,089 = 85,283.70 : x
  2. Step 2: Convert to fraction form
    113,627.22/157,089 = 85,283.70/x
  3. Step 3: Cross multiply
    113,627.22x = 157,089 × 85,283.70
  4. Step 4: Simplify right side
    113,627.22x = 13,397,131,149.30
  5. Step 5: Solve for x
    x = 13,397,131,149.30/113,627.22
  6. Step 6: Final answer
    x = 117,904.24

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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.