Home / 514,108.09-771,319.78-230,037.75

Finding the Fourth Proportional to 514,108.09, 771,319.78 and 230,037.75

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Solution

The fourth proportional to 514,108.09, 771,319.78 and 230,037.75 is: 345,127.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,108.09 : 771,319.78 = 230,037.75 : x
  2. Step 2: Convert to fraction form
    514,108.09/771,319.78 = 230,037.75/x
  3. Step 3: Cross multiply
    514,108.09x = 771,319.78 × 230,037.75
  4. Step 4: Simplify right side
    514,108.09x = 177,432,666,721.70
  5. Step 5: Solve for x
    x = 177,432,666,721.70/514,108.09
  6. Step 6: Final answer
    x = 345,127.16

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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.