Home / 113,902.16-157,156.68-98,770.64

Finding the Fourth Proportional to 113,902.16, 157,156.68 and 98,770.64

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Solution

The fourth proportional to 113,902.16, 157,156.68 and 98,770.64 is: 136,278.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,902.16 : 157,156.68 = 98,770.64 : x
  2. Step 2: Convert to fraction form
    113,902.16/157,156.68 = 98,770.64/x
  3. Step 3: Cross multiply
    113,902.16x = 157,156.68 × 98,770.64
  4. Step 4: Simplify right side
    113,902.16x = 15,522,465,863.88
  5. Step 5: Solve for x
    x = 15,522,465,863.88/113,902.16
  6. Step 6: Final answer
    x = 136,278.94

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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.