Home / 296,319.16-408,917.28-160,350.13

Finding the Fourth Proportional to 296,319.16, 408,917.28 and 160,350.13

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Solution

The fourth proportional to 296,319.16, 408,917.28 and 160,350.13 is: 221,281.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,319.16 : 408,917.28 = 160,350.13 : x
  2. Step 2: Convert to fraction form
    296,319.16/408,917.28 = 160,350.13/x
  3. Step 3: Cross multiply
    296,319.16x = 408,917.28 × 160,350.13
  4. Step 4: Simplify right side
    296,319.16x = 65,569,939,007.25
  5. Step 5: Solve for x
    x = 65,569,939,007.25/296,319.16
  6. Step 6: Final answer
    x = 221,281.47

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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.