Home / 314,178.45-433,568.16-170,939.55

Finding the Fourth Proportional to 314,178.45, 433,568.16 and 170,939.55

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Solution

The fourth proportional to 314,178.45, 433,568.16 and 170,939.55 is: 235,897.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,178.45 : 433,568.16 = 170,939.55 : x
  2. Step 2: Convert to fraction form
    314,178.45/433,568.16 = 170,939.55/x
  3. Step 3: Cross multiply
    314,178.45x = 433,568.16 × 170,939.55
  4. Step 4: Simplify right side
    314,178.45x = 74,113,946,164.73
  5. Step 5: Solve for x
    x = 74,113,946,164.73/314,178.45
  6. Step 6: Final answer
    x = 235,897.61

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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.