Home / 112,248.99-154,914.53-83,905.47

Finding the Fourth Proportional to 112,248.99, 154,914.53 and 83,905.47

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Solution

The fourth proportional to 112,248.99, 154,914.53 and 83,905.47 is: 115,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,248.99 : 154,914.53 = 83,905.47 : x
  2. Step 2: Convert to fraction form
    112,248.99/154,914.53 = 83,905.47/x
  3. Step 3: Cross multiply
    112,248.99x = 154,914.53 × 83,905.47
  4. Step 4: Simplify right side
    112,248.99x = 12,998,176,029.95
  5. Step 5: Solve for x
    x = 12,998,176,029.95/112,248.99
  6. Step 6: Final answer
    x = 115,797.71

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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.