Home / 514,278.82-771,269.28-154,435.15

Finding the Fourth Proportional to 514,278.82, 771,269.28 and 154,435.15

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Solution

The fourth proportional to 514,278.82, 771,269.28 and 154,435.15 is: 231,608.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,278.82 : 771,269.28 = 154,435.15 : x
  2. Step 2: Convert to fraction form
    514,278.82/771,269.28 = 154,435.15/x
  3. Step 3: Cross multiply
    514,278.82x = 771,269.28 × 154,435.15
  4. Step 4: Simplify right side
    514,278.82x = 119,111,086,947.19
  5. Step 5: Solve for x
    x = 119,111,086,947.19/514,278.82
  6. Step 6: Final answer
    x = 231,608.00

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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.