Home / 207,121.83-310,679.56-93,189.16

Finding the Fourth Proportional to 207,121.83, 310,679.56 and 93,189.16

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Solution

The fourth proportional to 207,121.83, 310,679.56 and 93,189.16 is: 139,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,121.83 : 310,679.56 = 93,189.16 : x
  2. Step 2: Convert to fraction form
    207,121.83/310,679.56 = 93,189.16/x
  3. Step 3: Cross multiply
    207,121.83x = 310,679.56 × 93,189.16
  4. Step 4: Simplify right side
    207,121.83x = 28,951,967,225.57
  5. Step 5: Solve for x
    x = 28,951,967,225.57/207,121.83
  6. Step 6: Final answer
    x = 139,782.31

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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.