Home / 207,235.56-310,908.06-74,129.16

Finding the Fourth Proportional to 207,235.56, 310,908.06 and 74,129.16

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Solution

The fourth proportional to 207,235.56, 310,908.06 and 74,129.16 is: 111,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,235.56 : 310,908.06 = 74,129.16 : x
  2. Step 2: Convert to fraction form
    207,235.56/310,908.06 = 74,129.16/x
  3. Step 3: Cross multiply
    207,235.56x = 310,908.06 × 74,129.16
  4. Step 4: Simplify right side
    207,235.56x = 23,047,353,325.03
  5. Step 5: Solve for x
    x = 23,047,353,325.03/207,235.56
  6. Step 6: Final answer
    x = 111,213.31

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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.