Home / 111,008.10-153,188.88-60,707.10

Finding the Fourth Proportional to 111,008.10, 153,188.88 and 60,707.10

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Solution

The fourth proportional to 111,008.10, 153,188.88 and 60,707.10 is: 83,774.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,008.10 : 153,188.88 = 60,707.10 : x
  2. Step 2: Convert to fraction form
    111,008.10/153,188.88 = 60,707.10/x
  3. Step 3: Cross multiply
    111,008.10x = 153,188.88 × 60,707.10
  4. Step 4: Simplify right side
    111,008.10x = 9,299,652,657.05
  5. Step 5: Solve for x
    x = 9,299,652,657.05/111,008.10
  6. Step 6: Final answer
    x = 83,774.54

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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.