Home / 356,586.60-534,904.51-103,869.19

Finding the Fourth Proportional to 356,586.60, 534,904.51 and 103,869.19

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Solution

The fourth proportional to 356,586.60, 534,904.51 and 103,869.19 is: 155,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,586.60 : 534,904.51 = 103,869.19 : x
  2. Step 2: Convert to fraction form
    356,586.60/534,904.51 = 103,869.19/x
  3. Step 3: Cross multiply
    356,586.60x = 534,904.51 × 103,869.19
  4. Step 4: Simplify right side
    356,586.60x = 55,560,094,987.18
  5. Step 5: Solve for x
    x = 55,560,094,987.18/356,586.60
  6. Step 6: Final answer
    x = 155,810.95

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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.