Home / 259,138.11-357,488.36-151,641.59

Finding the Fourth Proportional to 259,138.11, 357,488.36 and 151,641.59

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Solution

The fourth proportional to 259,138.11, 357,488.36 and 151,641.59 is: 209,193.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,138.11 : 357,488.36 = 151,641.59 : x
  2. Step 2: Convert to fraction form
    259,138.11/357,488.36 = 151,641.59/x
  3. Step 3: Cross multiply
    259,138.11x = 357,488.36 × 151,641.59
  4. Step 4: Simplify right side
    259,138.11x = 54,210,103,316.89
  5. Step 5: Solve for x
    x = 54,210,103,316.89/259,138.11
  6. Step 6: Final answer
    x = 209,193.87

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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.