Home / 319,872.60-441,431.04-176,641.68

Finding the Fourth Proportional to 319,872.60, 441,431.04 and 176,641.68

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Solution

The fourth proportional to 319,872.60, 441,431.04 and 176,641.68 is: 243,769.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,872.60 : 441,431.04 = 176,641.68 : x
  2. Step 2: Convert to fraction form
    319,872.60/441,431.04 = 176,641.68/x
  3. Step 3: Cross multiply
    319,872.60x = 441,431.04 × 176,641.68
  4. Step 4: Simplify right side
    319,872.60x = 77,975,120,509.75
  5. Step 5: Solve for x
    x = 77,975,120,509.75/319,872.60
  6. Step 6: Final answer
    x = 243,769.30

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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.