Home / 319,693.20-441,145.20-176,444.04

Finding the Fourth Proportional to 319,693.20, 441,145.20 and 176,444.04

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Solution

The fourth proportional to 319,693.20, 441,145.20 and 176,444.04 is: 243,475.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,693.20 : 441,145.20 = 176,444.04 : x
  2. Step 2: Convert to fraction form
    319,693.20/441,145.20 = 176,444.04/x
  3. Step 3: Cross multiply
    319,693.20x = 441,145.20 × 176,444.04
  4. Step 4: Simplify right side
    319,693.20x = 77,837,441,314.61
  5. Step 5: Solve for x
    x = 77,837,441,314.61/319,693.20
  6. Step 6: Final answer
    x = 243,475.44

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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.