Home / 218,846.32-328,146.35-69,058.69

Finding the Fourth Proportional to 218,846.32, 328,146.35 and 69,058.69

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Solution

The fourth proportional to 218,846.32, 328,146.35 and 69,058.69 is: 103,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,846.32 : 328,146.35 = 69,058.69 : x
  2. Step 2: Convert to fraction form
    218,846.32/328,146.35 = 69,058.69/x
  3. Step 3: Cross multiply
    218,846.32x = 328,146.35 × 69,058.69
  4. Step 4: Simplify right side
    218,846.32x = 22,661,357,059.28
  5. Step 5: Solve for x
    x = 22,661,357,059.28/218,846.32
  6. Step 6: Final answer
    x = 103,549.18

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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.