Home / 112,246.60-154,901.16-61,259.74

Finding the Fourth Proportional to 112,246.60, 154,901.16 and 61,259.74

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Solution

The fourth proportional to 112,246.60, 154,901.16 and 61,259.74 is: 84,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,246.60 : 154,901.16 = 61,259.74 : x
  2. Step 2: Convert to fraction form
    112,246.60/154,901.16 = 61,259.74/x
  3. Step 3: Cross multiply
    112,246.60x = 154,901.16 × 61,259.74
  4. Step 4: Simplify right side
    112,246.60x = 9,489,204,787.30
  5. Step 5: Solve for x
    x = 9,489,204,787.30/112,246.60
  6. Step 6: Final answer
    x = 84,538.91

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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.