Home / 130,954.53-180,718.52-74,366.31

Finding the Fourth Proportional to 130,954.53, 180,718.52 and 74,366.31

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Solution

The fourth proportional to 130,954.53, 180,718.52 and 74,366.31 is: 102,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,954.53 : 180,718.52 = 74,366.31 : x
  2. Step 2: Convert to fraction form
    130,954.53/180,718.52 = 74,366.31/x
  3. Step 3: Cross multiply
    130,954.53x = 180,718.52 × 74,366.31
  4. Step 4: Simplify right side
    130,954.53x = 13,439,369,109.23
  5. Step 5: Solve for x
    x = 13,439,369,109.23/130,954.53
  6. Step 6: Final answer
    x = 102,626.23

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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.