Home / 154,686.24-231,570.06-84,352.32

Finding the Fourth Proportional to 154,686.24, 231,570.06 and 84,352.32

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Solution

The fourth proportional to 154,686.24, 231,570.06 and 84,352.32 is: 126,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,686.24 : 231,570.06 = 84,352.32 : x
  2. Step 2: Convert to fraction form
    154,686.24/231,570.06 = 84,352.32/x
  3. Step 3: Cross multiply
    154,686.24x = 231,570.06 × 84,352.32
  4. Step 4: Simplify right side
    154,686.24x = 19,533,471,803.54
  5. Step 5: Solve for x
    x = 19,533,471,803.54/154,686.24
  6. Step 6: Final answer
    x = 126,278.02

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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.