Home / 107,400.24-148,189.80-64,950.48

Finding the Fourth Proportional to 107,400.24, 148,189.80 and 64,950.48

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Solution

The fourth proportional to 107,400.24, 148,189.80 and 64,950.48 is: 89,618.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,400.24 : 148,189.80 = 64,950.48 : x
  2. Step 2: Convert to fraction form
    107,400.24/148,189.80 = 64,950.48/x
  3. Step 3: Cross multiply
    107,400.24x = 148,189.80 × 64,950.48
  4. Step 4: Simplify right side
    107,400.24x = 9,624,998,641.10
  5. Step 5: Solve for x
    x = 9,624,998,641.10/107,400.24
  6. Step 6: Final answer
    x = 89,618.04

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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.