Home / 121,192.50-167,258.61-70,933.62

Finding the Fourth Proportional to 121,192.50, 167,258.61 and 70,933.62

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Solution

The fourth proportional to 121,192.50, 167,258.61 and 70,933.62 is: 97,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,192.50 : 167,258.61 = 70,933.62 : x
  2. Step 2: Convert to fraction form
    121,192.50/167,258.61 = 70,933.62/x
  3. Step 3: Cross multiply
    121,192.50x = 167,258.61 × 70,933.62
  4. Step 4: Simplify right side
    121,192.50x = 11,864,258,683.47
  5. Step 5: Solve for x
    x = 11,864,258,683.47/121,192.50
  6. Step 6: Final answer
    x = 97,895.98

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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.