Home / 170,658.77-235,507.45-94,178.57

Finding the Fourth Proportional to 170,658.77, 235,507.45 and 94,178.57

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Solution

The fourth proportional to 170,658.77, 235,507.45 and 94,178.57 is: 129,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,658.77 : 235,507.45 = 94,178.57 : x
  2. Step 2: Convert to fraction form
    170,658.77/235,507.45 = 94,178.57/x
  3. Step 3: Cross multiply
    170,658.77x = 235,507.45 × 94,178.57
  4. Step 4: Simplify right side
    170,658.77x = 22,179,753,687.81
  5. Step 5: Solve for x
    x = 22,179,753,687.81/170,658.77
  6. Step 6: Final answer
    x = 129,965.51

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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.