Home / 356,266.02-534,434.16-103,548.72

Finding the Fourth Proportional to 356,266.02, 534,434.16 and 103,548.72

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Solution

The fourth proportional to 356,266.02, 534,434.16 and 103,548.72 is: 155,333.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,266.02 : 534,434.16 = 103,548.72 : x
  2. Step 2: Convert to fraction form
    356,266.02/534,434.16 = 103,548.72/x
  3. Step 3: Cross multiply
    356,266.02x = 534,434.16 × 103,548.72
  4. Step 4: Simplify right side
    356,266.02x = 55,339,973,192.28
  5. Step 5: Solve for x
    x = 55,339,973,192.28/356,266.02
  6. Step 6: Final answer
    x = 155,333.29

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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.