Home / 118,325.34-163,289.76-64,610.73

Finding the Fourth Proportional to 118,325.34, 163,289.76 and 64,610.73

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Solution

The fourth proportional to 118,325.34, 163,289.76 and 64,610.73 is: 89,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,325.34 : 163,289.76 = 64,610.73 : x
  2. Step 2: Convert to fraction form
    118,325.34/163,289.76 = 64,610.73/x
  3. Step 3: Cross multiply
    118,325.34x = 163,289.76 × 64,610.73
  4. Step 4: Simplify right side
    118,325.34x = 10,550,270,595.12
  5. Step 5: Solve for x
    x = 10,550,270,595.12/118,325.34
  6. Step 6: Final answer
    x = 89,163.24

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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.