Home / 111,420.03-153,758.82-60,432.60

Finding the Fourth Proportional to 111,420.03, 153,758.82 and 60,432.60

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Solution

The fourth proportional to 111,420.03, 153,758.82 and 60,432.60 is: 83,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,420.03 : 153,758.82 = 60,432.60 : x
  2. Step 2: Convert to fraction form
    111,420.03/153,758.82 = 60,432.60/x
  3. Step 3: Cross multiply
    111,420.03x = 153,758.82 × 60,432.60
  4. Step 4: Simplify right side
    111,420.03x = 9,292,045,265.53
  5. Step 5: Solve for x
    x = 9,292,045,265.53/111,420.03
  6. Step 6: Final answer
    x = 83,396.54

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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.