Home / 113,221.05-169,838.81-38,330.85

Finding the Fourth Proportional to 113,221.05, 169,838.81 and 38,330.85

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Solution

The fourth proportional to 113,221.05, 169,838.81 and 38,330.85 is: 57,498.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,221.05 : 169,838.81 = 38,330.85 : x
  2. Step 2: Convert to fraction form
    113,221.05/169,838.81 = 38,330.85/x
  3. Step 3: Cross multiply
    113,221.05x = 169,838.81 × 38,330.85
  4. Step 4: Simplify right side
    113,221.05x = 6,510,065,758.63
  5. Step 5: Solve for x
    x = 6,510,065,758.63/113,221.05
  6. Step 6: Final answer
    x = 57,498.72

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1.5x scale

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.