Home / 118,176.51-163,084.08-64,462.68

Finding the Fourth Proportional to 118,176.51, 163,084.08 and 64,462.68

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Solution

The fourth proportional to 118,176.51, 163,084.08 and 64,462.68 is: 88,958.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,176.51 : 163,084.08 = 64,462.68 : x
  2. Step 2: Convert to fraction form
    118,176.51/163,084.08 = 64,462.68/x
  3. Step 3: Cross multiply
    118,176.51x = 163,084.08 × 64,462.68
  4. Step 4: Simplify right side
    118,176.51x = 10,512,836,862.13
  5. Step 5: Solve for x
    x = 10,512,836,862.13/118,176.51
  6. Step 6: Final answer
    x = 88,958.77

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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.