Home / 118,232.76-163,160.46-64,516.68

Finding the Fourth Proportional to 118,232.76, 163,160.46 and 64,516.68

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Solution

The fourth proportional to 118,232.76, 163,160.46 and 64,516.68 is: 89,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,232.76 : 163,160.46 = 64,516.68 : x
  2. Step 2: Convert to fraction form
    118,232.76/163,160.46 = 64,516.68/x
  3. Step 3: Cross multiply
    118,232.76x = 163,160.46 × 64,516.68
  4. Step 4: Simplify right side
    118,232.76x = 10,526,571,186.47
  5. Step 5: Solve for x
    x = 10,526,571,186.47/118,232.76
  6. Step 6: Final answer
    x = 89,032.61

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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.