Home / 111,261.28-153,539.58-60,272.86

Finding the Fourth Proportional to 111,261.28, 153,539.58 and 60,272.86

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Solution

The fourth proportional to 111,261.28, 153,539.58 and 60,272.86 is: 83,176.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,261.28 : 153,539.58 = 60,272.86 : x
  2. Step 2: Convert to fraction form
    111,261.28/153,539.58 = 60,272.86/x
  3. Step 3: Cross multiply
    111,261.28x = 153,539.58 × 60,272.86
  4. Step 4: Simplify right side
    111,261.28x = 9,254,269,609.80
  5. Step 5: Solve for x
    x = 9,254,269,609.80/111,261.28
  6. Step 6: Final answer
    x = 83,176.01

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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.