Home / 130,312.53-195,479.73-41,578.65

Finding the Fourth Proportional to 130,312.53, 195,479.73 and 41,578.65

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Solution

The fourth proportional to 130,312.53, 195,479.73 and 41,578.65 is: 62,371.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,312.53 : 195,479.73 = 41,578.65 : x
  2. Step 2: Convert to fraction form
    130,312.53/195,479.73 = 41,578.65/x
  3. Step 3: Cross multiply
    130,312.53x = 195,479.73 × 41,578.65
  4. Step 4: Simplify right side
    130,312.53x = 8,127,783,275.76
  5. Step 5: Solve for x
    x = 8,127,783,275.76/130,312.53
  6. Step 6: Final answer
    x = 62,371.46

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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.