Home / 319,820.38-441,359.01-176,589.50

Finding the Fourth Proportional to 319,820.38, 441,359.01 and 176,589.50

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Solution

The fourth proportional to 319,820.38, 441,359.01 and 176,589.50 is: 243,697.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,820.38 : 441,359.01 = 176,589.50 : x
  2. Step 2: Convert to fraction form
    319,820.38/441,359.01 = 176,589.50/x
  3. Step 3: Cross multiply
    319,820.38x = 441,359.01 × 176,589.50
  4. Step 4: Simplify right side
    319,820.38x = 77,939,364,689.60
  5. Step 5: Solve for x
    x = 77,939,364,689.60/319,820.38
  6. Step 6: Final answer
    x = 243,697.31

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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.