Home / 117,856.08-176,643.63-82,123.92

Finding the Fourth Proportional to 117,856.08, 176,643.63 and 82,123.92

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Solution

The fourth proportional to 117,856.08, 176,643.63 and 82,123.92 is: 123,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,856.08 : 176,643.63 = 82,123.92 : x
  2. Step 2: Convert to fraction form
    117,856.08/176,643.63 = 82,123.92/x
  3. Step 3: Cross multiply
    117,856.08x = 176,643.63 × 82,123.92
  4. Step 4: Simplify right side
    117,856.08x = 14,506,667,338.63
  5. Step 5: Solve for x
    x = 14,506,667,338.63/117,856.08
  6. Step 6: Final answer
    x = 123,087.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.