Home / 296,337.13-408,945.28-160,371.12

Finding the Fourth Proportional to 296,337.13, 408,945.28 and 160,371.12

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Solution

The fourth proportional to 296,337.13, 408,945.28 and 160,371.12 is: 221,312.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,337.13 : 408,945.28 = 160,371.12 : x
  2. Step 2: Convert to fraction form
    296,337.13/408,945.28 = 160,371.12/x
  3. Step 3: Cross multiply
    296,337.13x = 408,945.28 × 160,371.12
  4. Step 4: Simplify right side
    296,337.13x = 65,583,012,572.31
  5. Step 5: Solve for x
    x = 65,583,012,572.31/296,337.13
  6. Step 6: Final answer
    x = 221,312.17

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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.