Home / 121,350.15-167,449.36-70,352.24

Finding the Fourth Proportional to 121,350.15, 167,449.36 and 70,352.24

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Solution

The fourth proportional to 121,350.15, 167,449.36 and 70,352.24 is: 97,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,350.15 : 167,449.36 = 70,352.24 : x
  2. Step 2: Convert to fraction form
    121,350.15/167,449.36 = 70,352.24/x
  3. Step 3: Cross multiply
    121,350.15x = 167,449.36 × 70,352.24
  4. Step 4: Simplify right side
    121,350.15x = 11,780,437,210.81
  5. Step 5: Solve for x
    x = 11,780,437,210.81/121,350.15
  6. Step 6: Final answer
    x = 97,078.06

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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.