Home / 107,904.40-148,882.44-65,461.84

Finding the Fourth Proportional to 107,904.40, 148,882.44 and 65,461.84

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Solution

The fourth proportional to 107,904.40, 148,882.44 and 65,461.84 is: 90,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,904.40 : 148,882.44 = 65,461.84 : x
  2. Step 2: Convert to fraction form
    107,904.40/148,882.44 = 65,461.84/x
  3. Step 3: Cross multiply
    107,904.40x = 148,882.44 × 65,461.84
  4. Step 4: Simplify right side
    107,904.40x = 9,746,118,466.09
  5. Step 5: Solve for x
    x = 9,746,118,466.09/107,904.40
  6. Step 6: Final answer
    x = 90,321.79

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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.