Home / 118,332.75-163,302.84-64,621.38

Finding the Fourth Proportional to 118,332.75, 163,302.84 and 64,621.38

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Solution

The fourth proportional to 118,332.75, 163,302.84 and 64,621.38 is: 89,179.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,332.75 : 163,302.84 = 64,621.38 : x
  2. Step 2: Convert to fraction form
    118,332.75/163,302.84 = 64,621.38/x
  3. Step 3: Cross multiply
    118,332.75x = 163,302.84 × 64,621.38
  4. Step 4: Simplify right side
    118,332.75x = 10,552,854,878.72
  5. Step 5: Solve for x
    x = 10,552,854,878.72/118,332.75
  6. Step 6: Final answer
    x = 89,179.49

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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.