Home / 112,254.10-154,937.25-64,535.17

Finding the Fourth Proportional to 112,254.10, 154,937.25 and 64,535.17

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Solution

The fourth proportional to 112,254.10, 154,937.25 and 64,535.17 is: 89,073.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,254.10 : 154,937.25 = 64,535.17 : x
  2. Step 2: Convert to fraction form
    112,254.10/154,937.25 = 64,535.17/x
  3. Step 3: Cross multiply
    112,254.10x = 154,937.25 × 64,535.17
  4. Step 4: Simplify right side
    112,254.10x = 9,998,901,768.08
  5. Step 5: Solve for x
    x = 9,998,901,768.08/112,254.10
  6. Step 6: Final answer
    x = 89,073.82

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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.