Home / 112,209.14-154,854.59-64,465.58

Finding the Fourth Proportional to 112,209.14, 154,854.59 and 64,465.58

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Solution

The fourth proportional to 112,209.14, 154,854.59 and 64,465.58 is: 88,965.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,209.14 : 154,854.59 = 64,465.58 : x
  2. Step 2: Convert to fraction form
    112,209.14/154,854.59 = 64,465.58/x
  3. Step 3: Cross multiply
    112,209.14x = 154,854.59 × 64,465.58
  4. Step 4: Simplify right side
    112,209.14x = 9,982,789,863.41
  5. Step 5: Solve for x
    x = 9,982,789,863.41/112,209.14
  6. Step 6: Final answer
    x = 88,965.93

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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.