Home / 121,217.14-167,268.93-70,213.56

Finding the Fourth Proportional to 121,217.14, 167,268.93 and 70,213.56

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Solution

The fourth proportional to 121,217.14, 167,268.93 and 70,213.56 is: 96,888.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,217.14 : 167,268.93 = 70,213.56 : x
  2. Step 2: Convert to fraction form
    121,217.14/167,268.93 = 70,213.56/x
  3. Step 3: Cross multiply
    121,217.14x = 167,268.93 × 70,213.56
  4. Step 4: Simplify right side
    121,217.14x = 11,744,547,052.69
  5. Step 5: Solve for x
    x = 11,744,547,052.69/121,217.14
  6. Step 6: Final answer
    x = 96,888.50

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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.