Home / 118,308.12-163,269.06-64,597.22

Finding the Fourth Proportional to 118,308.12, 163,269.06 and 64,597.22

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Solution

The fourth proportional to 118,308.12, 163,269.06 and 64,597.22 is: 89,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,308.12 : 163,269.06 = 64,597.22 : x
  2. Step 2: Convert to fraction form
    118,308.12/163,269.06 = 64,597.22/x
  3. Step 3: Cross multiply
    118,308.12x = 163,269.06 × 64,597.22
  4. Step 4: Simplify right side
    118,308.12x = 10,546,727,388.01
  5. Step 5: Solve for x
    x = 10,546,727,388.01/118,308.12
  6. Step 6: Final answer
    x = 89,146.27

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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.