Home / 185,869.65-256,491.76-105,295.53

Finding the Fourth Proportional to 185,869.65, 256,491.76 and 105,295.53

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Solution

The fourth proportional to 185,869.65, 256,491.76 and 105,295.53 is: 145,303.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,869.65 : 256,491.76 = 105,295.53 : x
  2. Step 2: Convert to fraction form
    185,869.65/256,491.76 = 105,295.53/x
  3. Step 3: Cross multiply
    185,869.65x = 256,491.76 × 105,295.53
  4. Step 4: Simplify right side
    185,869.65x = 27,007,436,451.06
  5. Step 5: Solve for x
    x = 27,007,436,451.06/185,869.65
  6. Step 6: Final answer
    x = 145,303.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.