Home / 106,544.74-147,087.01-77,832.16

Finding the Fourth Proportional to 106,544.74, 147,087.01 and 77,832.16

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Solution

The fourth proportional to 106,544.74, 147,087.01 and 77,832.16 is: 107,448.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,544.74 : 147,087.01 = 77,832.16 : x
  2. Step 2: Convert to fraction form
    106,544.74/147,087.01 = 77,832.16/x
  3. Step 3: Cross multiply
    106,544.74x = 147,087.01 × 77,832.16
  4. Step 4: Simplify right side
    106,544.74x = 11,448,099,696.24
  5. Step 5: Solve for x
    x = 11,448,099,696.24/106,544.74
  6. Step 6: Final answer
    x = 107,448.76

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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.