Home / 140,084.16-193,308.27-79,646.28

Finding the Fourth Proportional to 140,084.16, 193,308.27 and 79,646.28

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Solution

The fourth proportional to 140,084.16, 193,308.27 and 79,646.28 is: 109,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,084.16 : 193,308.27 = 79,646.28 : x
  2. Step 2: Convert to fraction form
    140,084.16/193,308.27 = 79,646.28/x
  3. Step 3: Cross multiply
    140,084.16x = 193,308.27 × 79,646.28
  4. Step 4: Simplify right side
    140,084.16x = 15,396,284,598.74
  5. Step 5: Solve for x
    x = 15,396,284,598.74/140,084.16
  6. Step 6: Final answer
    x = 109,907.39

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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.