Home / 317,387.20-437,966.04-181,394.16

Finding the Fourth Proportional to 317,387.20, 437,966.04 and 181,394.16

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Solution

The fourth proportional to 317,387.20, 437,966.04 and 181,394.16 is: 250,307.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,387.20 : 437,966.04 = 181,394.16 : x
  2. Step 2: Convert to fraction form
    317,387.20/437,966.04 = 181,394.16/x
  3. Step 3: Cross multiply
    317,387.20x = 437,966.04 × 181,394.16
  4. Step 4: Simplify right side
    317,387.20x = 79,444,481,934.33
  5. Step 5: Solve for x
    x = 79,444,481,934.33/317,387.20
  6. Step 6: Final answer
    x = 250,307.77

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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.