Home / 112,288.99-154,961.63-63,888.25

Finding the Fourth Proportional to 112,288.99, 154,961.63 and 63,888.25

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Solution

The fourth proportional to 112,288.99, 154,961.63 and 63,888.25 is: 88,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,288.99 : 154,961.63 = 63,888.25 : x
  2. Step 2: Convert to fraction form
    112,288.99/154,961.63 = 63,888.25/x
  3. Step 3: Cross multiply
    112,288.99x = 154,961.63 × 63,888.25
  4. Step 4: Simplify right side
    112,288.99x = 9,900,227,357.85
  5. Step 5: Solve for x
    x = 9,900,227,357.85/112,288.99
  6. Step 6: Final answer
    x = 88,167.39

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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.