Home / 259,040.18-357,475.05-145,863.74

Finding the Fourth Proportional to 259,040.18, 357,475.05 and 145,863.74

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Solution

The fourth proportional to 259,040.18, 357,475.05 and 145,863.74 is: 201,291.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,040.18 : 357,475.05 = 145,863.74 : x
  2. Step 2: Convert to fraction form
    259,040.18/357,475.05 = 145,863.74/x
  3. Step 3: Cross multiply
    259,040.18x = 357,475.05 × 145,863.74
  4. Step 4: Simplify right side
    259,040.18x = 52,142,645,962.31
  5. Step 5: Solve for x
    x = 52,142,645,962.31/259,040.18
  6. Step 6: Final answer
    x = 201,291.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.