Home / 170,776.07-235,684.46-99,178.55

Finding the Fourth Proportional to 170,776.07, 235,684.46 and 99,178.55

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Solution

The fourth proportional to 170,776.07, 235,684.46 and 99,178.55 is: 136,874.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,776.07 : 235,684.46 = 99,178.55 : x
  2. Step 2: Convert to fraction form
    170,776.07/235,684.46 = 99,178.55/x
  3. Step 3: Cross multiply
    170,776.07x = 235,684.46 × 99,178.55
  4. Step 4: Simplify right side
    170,776.07x = 23,374,843,000.33
  5. Step 5: Solve for x
    x = 23,374,843,000.33/170,776.07
  6. Step 6: Final answer
    x = 136,874.23

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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.