Home / 118,450.23-163,458.45-64,733.87

Finding the Fourth Proportional to 118,450.23, 163,458.45 and 64,733.87

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Solution

The fourth proportional to 118,450.23, 163,458.45 and 64,733.87 is: 89,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,450.23 : 163,458.45 = 64,733.87 : x
  2. Step 2: Convert to fraction form
    118,450.23/163,458.45 = 64,733.87/x
  3. Step 3: Cross multiply
    118,450.23x = 163,458.45 × 64,733.87
  4. Step 4: Simplify right side
    118,450.23x = 10,581,298,052.70
  5. Step 5: Solve for x
    x = 10,581,298,052.70/118,450.23
  6. Step 6: Final answer
    x = 89,331.17

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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.