Home / 121,330.14-167,436.27-70,373.09

Finding the Fourth Proportional to 121,330.14, 167,436.27 and 70,373.09

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Solution

The fourth proportional to 121,330.14, 167,436.27 and 70,373.09 is: 97,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,330.14 : 167,436.27 = 70,373.09 : x
  2. Step 2: Convert to fraction form
    121,330.14/167,436.27 = 70,373.09/x
  3. Step 3: Cross multiply
    121,330.14x = 167,436.27 × 70,373.09
  4. Step 4: Simplify right side
    121,330.14x = 11,783,006,860.79
  5. Step 5: Solve for x
    x = 11,783,006,860.79/121,330.14
  6. Step 6: Final answer
    x = 97,115.25

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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.