Home / 109,132.94-150,601.88-61,386.27

Finding the Fourth Proportional to 109,132.94, 150,601.88 and 61,386.27

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Solution

The fourth proportional to 109,132.94, 150,601.88 and 61,386.27 is: 84,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,132.94 : 150,601.88 = 61,386.27 : x
  2. Step 2: Convert to fraction form
    109,132.94/150,601.88 = 61,386.27/x
  3. Step 3: Cross multiply
    109,132.94x = 150,601.88 × 61,386.27
  4. Step 4: Simplify right side
    109,132.94x = 9,244,887,361.26
  5. Step 5: Solve for x
    x = 9,244,887,361.26/109,132.94
  6. Step 6: Final answer
    x = 84,712.17

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1.5x scale

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.