Home / 170,776.32-235,684.80-99,178.80

Finding the Fourth Proportional to 170,776.32, 235,684.80 and 99,178.80

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Solution

The fourth proportional to 170,776.32, 235,684.80 and 99,178.80 is: 136,874.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,776.32 : 235,684.80 = 99,178.80 : x
  2. Step 2: Convert to fraction form
    170,776.32/235,684.80 = 99,178.80/x
  3. Step 3: Cross multiply
    170,776.32x = 235,684.80 × 99,178.80
  4. Step 4: Simplify right side
    170,776.32x = 23,374,935,642.24
  5. Step 5: Solve for x
    x = 23,374,935,642.24/170,776.32
  6. Step 6: Final answer
    x = 136,874.57

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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.