Home / 112,184.95-154,872.36-86,633.95

Finding the Fourth Proportional to 112,184.95, 154,872.36 and 86,633.95

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Solution

The fourth proportional to 112,184.95, 154,872.36 and 86,633.95 is: 119,598.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,184.95 : 154,872.36 = 86,633.95 : x
  2. Step 2: Convert to fraction form
    112,184.95/154,872.36 = 86,633.95/x
  3. Step 3: Cross multiply
    112,184.95x = 154,872.36 × 86,633.95
  4. Step 4: Simplify right side
    112,184.95x = 13,417,204,292.62
  5. Step 5: Solve for x
    x = 13,417,204,292.62/112,184.95
  6. Step 6: Final answer
    x = 119,598.97

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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.