Home / 118,364.20-163,343.49-64,648.24

Finding the Fourth Proportional to 118,364.20, 163,343.49 and 64,648.24

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Solution

The fourth proportional to 118,364.20, 163,343.49 and 64,648.24 is: 89,215.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,364.20 : 163,343.49 = 64,648.24 : x
  2. Step 2: Convert to fraction form
    118,364.20/163,343.49 = 64,648.24/x
  3. Step 3: Cross multiply
    118,364.20x = 163,343.49 × 64,648.24
  4. Step 4: Simplify right side
    118,364.20x = 10,559,869,143.96
  5. Step 5: Solve for x
    x = 10,559,869,143.96/118,364.20
  6. Step 6: Final answer
    x = 89,215.06

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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.