Home / 118,465.32-163,479.33-64,750.62

Finding the Fourth Proportional to 118,465.32, 163,479.33 and 64,750.62

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Solution

The fourth proportional to 118,465.32, 163,479.33 and 64,750.62 is: 89,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,465.32 : 163,479.33 = 64,750.62 : x
  2. Step 2: Convert to fraction form
    118,465.32/163,479.33 = 64,750.62/x
  3. Step 3: Cross multiply
    118,465.32x = 163,479.33 × 64,750.62
  4. Step 4: Simplify right side
    118,465.32x = 10,585,387,974.68
  5. Step 5: Solve for x
    x = 10,585,387,974.68/118,465.32
  6. Step 6: Final answer
    x = 89,354.32

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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.