Home / 291,576.23-402,510.27-205,605.26

Finding the Fourth Proportional to 291,576.23, 402,510.27 and 205,605.26

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Solution

The fourth proportional to 291,576.23, 402,510.27 and 205,605.26 is: 283,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,576.23 : 402,510.27 = 205,605.26 : x
  2. Step 2: Convert to fraction form
    291,576.23/402,510.27 = 205,605.26/x
  3. Step 3: Cross multiply
    291,576.23x = 402,510.27 × 205,605.26
  4. Step 4: Simplify right side
    291,576.23x = 82,758,226,703.47
  5. Step 5: Solve for x
    x = 82,758,226,703.47/291,576.23
  6. Step 6: Final answer
    x = 283,830.50

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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.