Home / 118,200.16-163,117.92-70,481.20

Finding the Fourth Proportional to 118,200.16, 163,117.92 and 70,481.20

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Solution

The fourth proportional to 118,200.16, 163,117.92 and 70,481.20 is: 97,265.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,200.16 : 163,117.92 = 70,481.20 : x
  2. Step 2: Convert to fraction form
    118,200.16/163,117.92 = 70,481.20/x
  3. Step 3: Cross multiply
    118,200.16x = 163,117.92 × 70,481.20
  4. Step 4: Simplify right side
    118,200.16x = 11,496,746,743.10
  5. Step 5: Solve for x
    x = 11,496,746,743.10/118,200.16
  6. Step 6: Final answer
    x = 97,265.07

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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.