Home / 130,834.20-180,552.06-74,246.52

Finding the Fourth Proportional to 130,834.20, 180,552.06 and 74,246.52

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Solution

The fourth proportional to 130,834.20, 180,552.06 and 74,246.52 is: 102,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,834.20 : 180,552.06 = 74,246.52 : x
  2. Step 2: Convert to fraction form
    130,834.20/180,552.06 = 74,246.52/x
  3. Step 3: Cross multiply
    130,834.20x = 180,552.06 × 74,246.52
  4. Step 4: Simplify right side
    130,834.20x = 13,405,362,133.83
  5. Step 5: Solve for x
    x = 13,405,362,133.83/130,834.20
  6. Step 6: Final answer
    x = 102,460.69

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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.