Home / 172,258.18-258,013.26-83,325.22

Finding the Fourth Proportional to 172,258.18, 258,013.26 and 83,325.22

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Solution

The fourth proportional to 172,258.18, 258,013.26 and 83,325.22 is: 124,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,258.18 : 258,013.26 = 83,325.22 : x
  2. Step 2: Convert to fraction form
    172,258.18/258,013.26 = 83,325.22/x
  3. Step 3: Cross multiply
    172,258.18x = 258,013.26 × 83,325.22
  4. Step 4: Simplify right side
    172,258.18x = 21,499,011,652.42
  5. Step 5: Solve for x
    x = 21,499,011,652.42/172,258.18
  6. Step 6: Final answer
    x = 124,806.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.