Home / 118,200.25-163,094.07-70,458.04

Finding the Fourth Proportional to 118,200.25, 163,094.07 and 70,458.04

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Solution

The fourth proportional to 118,200.25, 163,094.07 and 70,458.04 is: 97,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,200.25 : 163,094.07 = 70,458.04 : x
  2. Step 2: Convert to fraction form
    118,200.25/163,094.07 = 70,458.04/x
  3. Step 3: Cross multiply
    118,200.25x = 163,094.07 × 70,458.04
  4. Step 4: Simplify right side
    118,200.25x = 11,491,288,507.82
  5. Step 5: Solve for x
    x = 11,491,288,507.82/118,200.25
  6. Step 6: Final answer
    x = 97,218.82

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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.