Home / 461,197.04-691,758.63-205,108.90

Finding the Fourth Proportional to 461,197.04, 691,758.63 and 205,108.90

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Solution

The fourth proportional to 461,197.04, 691,758.63 and 205,108.90 is: 307,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,197.04 : 691,758.63 = 205,108.90 : x
  2. Step 2: Convert to fraction form
    461,197.04/691,758.63 = 205,108.90/x
  3. Step 3: Cross multiply
    461,197.04x = 691,758.63 × 205,108.90
  4. Step 4: Simplify right side
    461,197.04x = 141,885,849,935.41
  5. Step 5: Solve for x
    x = 141,885,849,935.41/461,197.04
  6. Step 6: Final answer
    x = 307,646.93

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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.