Home / 156,466.77-215,920.31-84,844.95

Finding the Fourth Proportional to 156,466.77, 215,920.31 and 84,844.95

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Solution

The fourth proportional to 156,466.77, 215,920.31 and 84,844.95 is: 117,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,466.77 : 215,920.31 = 84,844.95 : x
  2. Step 2: Convert to fraction form
    156,466.77/215,920.31 = 84,844.95/x
  3. Step 3: Cross multiply
    156,466.77x = 215,920.31 × 84,844.95
  4. Step 4: Simplify right side
    156,466.77x = 18,319,746,826.33
  5. Step 5: Solve for x
    x = 18,319,746,826.33/156,466.77
  6. Step 6: Final answer
    x = 117,083.95

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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.