Home / 319,070.27-440,311.31-173,877.35

Finding the Fourth Proportional to 319,070.27, 440,311.31 and 173,877.35

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Solution

The fourth proportional to 319,070.27, 440,311.31 and 173,877.35 is: 239,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,070.27 : 440,311.31 = 173,877.35 : x
  2. Step 2: Convert to fraction form
    319,070.27/440,311.31 = 173,877.35/x
  3. Step 3: Cross multiply
    319,070.27x = 440,311.31 × 173,877.35
  4. Step 4: Simplify right side
    319,070.27x = 76,560,160,686.89
  5. Step 5: Solve for x
    x = 76,560,160,686.89/319,070.27
  6. Step 6: Final answer
    x = 239,947.65

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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.