Home / 106,544.91-147,087.28-77,832.35

Finding the Fourth Proportional to 106,544.91, 147,087.28 and 77,832.35

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Solution

The fourth proportional to 106,544.91, 147,087.28 and 77,832.35 is: 107,449.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,544.91 : 147,087.28 = 77,832.35 : x
  2. Step 2: Convert to fraction form
    106,544.91/147,087.28 = 77,832.35/x
  3. Step 3: Cross multiply
    106,544.91x = 147,087.28 × 77,832.35
  4. Step 4: Simplify right side
    106,544.91x = 11,448,148,657.51
  5. Step 5: Solve for x
    x = 11,448,148,657.51/106,544.91
  6. Step 6: Final answer
    x = 107,449.04

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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.