Home / 269,492.34-371,901.20-148,636.90

Finding the Fourth Proportional to 269,492.34, 371,901.20 and 148,636.90

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Solution

The fourth proportional to 269,492.34, 371,901.20 and 148,636.90 is: 205,119.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,492.34 : 371,901.20 = 148,636.90 : x
  2. Step 2: Convert to fraction form
    269,492.34/371,901.20 = 148,636.90/x
  3. Step 3: Cross multiply
    269,492.34x = 371,901.20 × 148,636.90
  4. Step 4: Simplify right side
    269,492.34x = 55,278,241,474.28
  5. Step 5: Solve for x
    x = 55,278,241,474.28/269,492.34
  6. Step 6: Final answer
    x = 205,119.90

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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.