Home / 356,263.02-534,429.66-103,545.72

Finding the Fourth Proportional to 356,263.02, 534,429.66 and 103,545.72

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Solution

The fourth proportional to 356,263.02, 534,429.66 and 103,545.72 is: 155,328.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,263.02 : 534,429.66 = 103,545.72 : x
  2. Step 2: Convert to fraction form
    356,263.02/534,429.66 = 103,545.72/x
  3. Step 3: Cross multiply
    356,263.02x = 534,429.66 × 103,545.72
  4. Step 4: Simplify right side
    356,263.02x = 55,337,903,934.06
  5. Step 5: Solve for x
    x = 55,337,903,934.06/356,263.02
  6. Step 6: Final answer
    x = 155,328.79

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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.