Home / 319,479.04-479,038.74-106,132.74

Finding the Fourth Proportional to 319,479.04, 479,038.74 and 106,132.74

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Solution

The fourth proportional to 319,479.04, 479,038.74 and 106,132.74 is: 159,139.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,479.04 : 479,038.74 = 106,132.74 : x
  2. Step 2: Convert to fraction form
    319,479.04/479,038.74 = 106,132.74/x
  3. Step 3: Cross multiply
    319,479.04x = 479,038.74 × 106,132.74
  4. Step 4: Simplify right side
    319,479.04x = 50,841,694,042.35
  5. Step 5: Solve for x
    x = 50,841,694,042.35/319,479.04
  6. Step 6: Final answer
    x = 159,139.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.