Home / 319,318.32-440,649.18-176,084.40

Finding the Fourth Proportional to 319,318.32, 440,649.18 and 176,084.40

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Solution

The fourth proportional to 319,318.32, 440,649.18 and 176,084.40 is: 242,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,318.32 : 440,649.18 = 176,084.40 : x
  2. Step 2: Convert to fraction form
    319,318.32/440,649.18 = 176,084.40/x
  3. Step 3: Cross multiply
    319,318.32x = 440,649.18 × 176,084.40
  4. Step 4: Simplify right side
    319,318.32x = 77,591,446,470.79
  5. Step 5: Solve for x
    x = 77,591,446,470.79/319,318.32
  6. Step 6: Final answer
    x = 242,990.90

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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.