Home / 111,221.08-153,483.20-60,233.40

Finding the Fourth Proportional to 111,221.08, 153,483.20 and 60,233.40

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Solution

The fourth proportional to 111,221.08, 153,483.20 and 60,233.40 is: 83,121.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,221.08 : 153,483.20 = 60,233.40 : x
  2. Step 2: Convert to fraction form
    111,221.08/153,483.20 = 60,233.40/x
  3. Step 3: Cross multiply
    111,221.08x = 153,483.20 × 60,233.40
  4. Step 4: Simplify right side
    111,221.08x = 9,244,814,978.88
  5. Step 5: Solve for x
    x = 9,244,814,978.88/111,221.08
  6. Step 6: Final answer
    x = 83,121.07

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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.