Home / 319,814.50-441,350.90-176,583.62

Finding the Fourth Proportional to 319,814.50, 441,350.90 and 176,583.62

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Solution

The fourth proportional to 319,814.50, 441,350.90 and 176,583.62 is: 243,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,814.50 : 441,350.90 = 176,583.62 : x
  2. Step 2: Convert to fraction form
    319,814.50/441,350.90 = 176,583.62/x
  3. Step 3: Cross multiply
    319,814.50x = 441,350.90 × 176,583.62
  4. Step 4: Simplify right side
    319,814.50x = 77,935,339,612.26
  5. Step 5: Solve for x
    x = 77,935,339,612.26/319,814.50
  6. Step 6: Final answer
    x = 243,689.20

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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.