Home / 440,529.22-660,470.61-140,837.32

Finding the Fourth Proportional to 440,529.22, 660,470.61 and 140,837.32

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Solution

The fourth proportional to 440,529.22, 660,470.61 and 140,837.32 is: 211,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,529.22 : 660,470.61 = 140,837.32 : x
  2. Step 2: Convert to fraction form
    440,529.22/660,470.61 = 140,837.32/x
  3. Step 3: Cross multiply
    440,529.22x = 660,470.61 × 140,837.32
  4. Step 4: Simplify right side
    440,529.22x = 93,018,907,348.81
  5. Step 5: Solve for x
    x = 93,018,907,348.81/440,529.22
  6. Step 6: Final answer
    x = 211,152.64

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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.