Home / 112,180.77-154,832.18-64,466.91

Finding the Fourth Proportional to 112,180.77, 154,832.18 and 64,466.91

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Solution

The fourth proportional to 112,180.77, 154,832.18 and 64,466.91 is: 88,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,180.77 : 154,832.18 = 64,466.91 : x
  2. Step 2: Convert to fraction form
    112,180.77/154,832.18 = 64,466.91/x
  3. Step 3: Cross multiply
    112,180.77x = 154,832.18 × 64,466.91
  4. Step 4: Simplify right side
    112,180.77x = 9,981,551,890.83
  5. Step 5: Solve for x
    x = 9,981,551,890.83/112,180.77
  6. Step 6: Final answer
    x = 88,977.39

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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.