Home / 294,746.10-442,117.86-84,384

Finding the Fourth Proportional to 294,746.10, 442,117.86 and 84,384

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Solution

The fourth proportional to 294,746.10, 442,117.86 and 84,384 is: 126,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,746.10 : 442,117.86 = 84,384 : x
  2. Step 2: Convert to fraction form
    294,746.10/442,117.86 = 84,384/x
  3. Step 3: Cross multiply
    294,746.10x = 442,117.86 × 84,384
  4. Step 4: Simplify right side
    294,746.10x = 37,307,673,498.24
  5. Step 5: Solve for x
    x = 37,307,673,498.24/294,746.10
  6. Step 6: Final answer
    x = 126,575.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.