Home / 111,113.35-153,336.82-60,126.08

Finding the Fourth Proportional to 111,113.35, 153,336.82 and 60,126.08

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Solution

The fourth proportional to 111,113.35, 153,336.82 and 60,126.08 is: 82,974.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,113.35 : 153,336.82 = 60,126.08 : x
  2. Step 2: Convert to fraction form
    111,113.35/153,336.82 = 60,126.08/x
  3. Step 3: Cross multiply
    111,113.35x = 153,336.82 × 60,126.08
  4. Step 4: Simplify right side
    111,113.35x = 9,219,541,289.90
  5. Step 5: Solve for x
    x = 9,219,541,289.90/111,113.35
  6. Step 6: Final answer
    x = 82,974.20

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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.