Home / 319,826.64-441,357.78-176,587.72

Finding the Fourth Proportional to 319,826.64, 441,357.78 and 176,587.72

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Solution

The fourth proportional to 319,826.64, 441,357.78 and 176,587.72 is: 243,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,826.64 : 441,357.78 = 176,587.72 : x
  2. Step 2: Convert to fraction form
    319,826.64/441,357.78 = 176,587.72/x
  3. Step 3: Cross multiply
    319,826.64x = 441,357.78 × 176,587.72
  4. Step 4: Simplify right side
    319,826.64x = 77,938,364,074.46
  5. Step 5: Solve for x
    x = 77,938,364,074.46/319,826.64
  6. Step 6: Final answer
    x = 243,689.41

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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.