Home / 319,563.52-441,006.88-176,332.79

Finding the Fourth Proportional to 319,563.52, 441,006.88 and 176,332.79

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Solution

The fourth proportional to 319,563.52, 441,006.88 and 176,332.79 is: 243,344.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,563.52 : 441,006.88 = 176,332.79 : x
  2. Step 2: Convert to fraction form
    319,563.52/441,006.88 = 176,332.79/x
  3. Step 3: Cross multiply
    319,563.52x = 441,006.88 × 176,332.79
  4. Step 4: Simplify right side
    319,563.52x = 77,763,973,559.60
  5. Step 5: Solve for x
    x = 77,763,973,559.60/319,563.52
  6. Step 6: Final answer
    x = 243,344.34

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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.