Home / 202,437.90-303,875.55-113,864.40

Finding the Fourth Proportional to 202,437.90, 303,875.55 and 113,864.40

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Solution

The fourth proportional to 202,437.90, 303,875.55 and 113,864.40 is: 170,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,437.90 : 303,875.55 = 113,864.40 : x
  2. Step 2: Convert to fraction form
    202,437.90/303,875.55 = 113,864.40/x
  3. Step 3: Cross multiply
    202,437.90x = 303,875.55 × 113,864.40
  4. Step 4: Simplify right side
    202,437.90x = 34,600,607,175.42
  5. Step 5: Solve for x
    x = 34,600,607,175.42/202,437.90
  6. Step 6: Final answer
    x = 170,919.61

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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.