Home / 147,017.25-202,885.43-79,949.25

Finding the Fourth Proportional to 147,017.25, 202,885.43 and 79,949.25

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Solution

The fourth proportional to 147,017.25, 202,885.43 and 79,949.25 is: 110,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,017.25 : 202,885.43 = 79,949.25 : x
  2. Step 2: Convert to fraction form
    147,017.25/202,885.43 = 79,949.25/x
  3. Step 3: Cross multiply
    147,017.25x = 202,885.43 × 79,949.25
  4. Step 4: Simplify right side
    147,017.25x = 16,220,537,964.43
  5. Step 5: Solve for x
    x = 16,220,537,964.43/147,017.25
  6. Step 6: Final answer
    x = 110,330.85

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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.