Home / 178,920.90-246,934.20-115,443.36

Finding the Fourth Proportional to 178,920.90, 246,934.20 and 115,443.36

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Solution

The fourth proportional to 178,920.90, 246,934.20 and 115,443.36 is: 159,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,920.90 : 246,934.20 = 115,443.36 : x
  2. Step 2: Convert to fraction form
    178,920.90/246,934.20 = 115,443.36/x
  3. Step 3: Cross multiply
    178,920.90x = 246,934.20 × 115,443.36
  4. Step 4: Simplify right side
    178,920.90x = 28,506,913,746.91
  5. Step 5: Solve for x
    x = 28,506,913,746.91/178,920.90
  6. Step 6: Final answer
    x = 159,326.91

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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.