Home / 121,521.06-167,672.16-70,504.22

Finding the Fourth Proportional to 121,521.06, 167,672.16 and 70,504.22

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Solution

The fourth proportional to 121,521.06, 167,672.16 and 70,504.22 is: 97,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,521.06 : 167,672.16 = 70,504.22 : x
  2. Step 2: Convert to fraction form
    121,521.06/167,672.16 = 70,504.22/x
  3. Step 3: Cross multiply
    121,521.06x = 167,672.16 × 70,504.22
  4. Step 4: Simplify right side
    121,521.06x = 11,821,595,275.70
  5. Step 5: Solve for x
    x = 11,821,595,275.70/121,521.06
  6. Step 6: Final answer
    x = 97,280.22

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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.