Home / 319,325.28-440,658.80-176,091.36

Finding the Fourth Proportional to 319,325.28, 440,658.80 and 176,091.36

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Solution

The fourth proportional to 319,325.28, 440,658.80 and 176,091.36 is: 243,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,325.28 : 440,658.80 = 176,091.36 : x
  2. Step 2: Convert to fraction form
    319,325.28/440,658.80 = 176,091.36/x
  3. Step 3: Cross multiply
    319,325.28x = 440,658.80 × 176,091.36
  4. Step 4: Simplify right side
    319,325.28x = 77,596,207,387.97
  5. Step 5: Solve for x
    x = 77,596,207,387.97/319,325.28
  6. Step 6: Final answer
    x = 243,000.51

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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.