Home / 319,801.75-441,325.17-176,560.74

Finding the Fourth Proportional to 319,801.75, 441,325.17 and 176,560.74

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Solution

The fourth proportional to 319,801.75, 441,325.17 and 176,560.74 is: 243,653.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,801.75 : 441,325.17 = 176,560.74 : x
  2. Step 2: Convert to fraction form
    319,801.75/441,325.17 = 176,560.74/x
  3. Step 3: Cross multiply
    319,801.75x = 441,325.17 × 176,560.74
  4. Step 4: Simplify right side
    319,801.75x = 77,920,698,595.83
  5. Step 5: Solve for x
    x = 77,920,698,595.83/319,801.75
  6. Step 6: Final answer
    x = 243,653.14

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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.