Home / 118,363.20-163,342.11-64,647.24

Finding the Fourth Proportional to 118,363.20, 163,342.11 and 64,647.24

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Solution

The fourth proportional to 118,363.20, 163,342.11 and 64,647.24 is: 89,213.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,363.20 : 163,342.11 = 64,647.24 : x
  2. Step 2: Convert to fraction form
    118,363.20/163,342.11 = 64,647.24/x
  3. Step 3: Cross multiply
    118,363.20x = 163,342.11 × 64,647.24
  4. Step 4: Simplify right side
    118,363.20x = 10,559,616,587.28
  5. Step 5: Solve for x
    x = 10,559,616,587.28/118,363.20
  6. Step 6: Final answer
    x = 89,213.68

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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.