Home / 121,242.12-167,319.34-67,527.16

Finding the Fourth Proportional to 121,242.12, 167,319.34 and 67,527.16

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Solution

The fourth proportional to 121,242.12, 167,319.34 and 67,527.16 is: 93,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,242.12 : 167,319.34 = 67,527.16 : x
  2. Step 2: Convert to fraction form
    121,242.12/167,319.34 = 67,527.16/x
  3. Step 3: Cross multiply
    121,242.12x = 167,319.34 × 67,527.16
  4. Step 4: Simplify right side
    121,242.12x = 11,298,599,843.27
  5. Step 5: Solve for x
    x = 11,298,599,843.27/121,242.12
  6. Step 6: Final answer
    x = 93,190.39

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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.