Home / 106,590.28-147,078.44-70,832.84

Finding the Fourth Proportional to 106,590.28, 147,078.44 and 70,832.84

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Solution

The fourth proportional to 106,590.28, 147,078.44 and 70,832.84 is: 97,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,590.28 : 147,078.44 = 70,832.84 : x
  2. Step 2: Convert to fraction form
    106,590.28/147,078.44 = 70,832.84/x
  3. Step 3: Cross multiply
    106,590.28x = 147,078.44 × 70,832.84
  4. Step 4: Simplify right side
    106,590.28x = 10,417,983,607.97
  5. Step 5: Solve for x
    x = 10,417,983,607.97/106,590.28
  6. Step 6: Final answer
    x = 97,738.59

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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.