Home / 118,325.05-163,289.17-64,610.07

Finding the Fourth Proportional to 118,325.05, 163,289.17 and 64,610.07

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Solution

The fourth proportional to 118,325.05, 163,289.17 and 64,610.07 is: 89,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,325.05 : 163,289.17 = 64,610.07 : x
  2. Step 2: Convert to fraction form
    118,325.05/163,289.17 = 64,610.07/x
  3. Step 3: Cross multiply
    118,325.05x = 163,289.17 × 64,610.07
  4. Step 4: Simplify right side
    118,325.05x = 10,550,123,725.97
  5. Step 5: Solve for x
    x = 10,550,123,725.97/118,325.05
  6. Step 6: Final answer
    x = 89,162.22

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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.