Home / 268,586.23-402,883.98-91,097.81

Finding the Fourth Proportional to 268,586.23, 402,883.98 and 91,097.81

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Solution

The fourth proportional to 268,586.23, 402,883.98 and 91,097.81 is: 136,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,586.23 : 402,883.98 = 91,097.81 : x
  2. Step 2: Convert to fraction form
    268,586.23/402,883.98 = 91,097.81/x
  3. Step 3: Cross multiply
    268,586.23x = 402,883.98 × 91,097.81
  4. Step 4: Simplify right side
    268,586.23x = 36,701,849,683.08
  5. Step 5: Solve for x
    x = 36,701,849,683.08/268,586.23
  6. Step 6: Final answer
    x = 136,648.29

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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.