Home / 107,655.99-148,549.48-64,626.36

Finding the Fourth Proportional to 107,655.99, 148,549.48 and 64,626.36

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Solution

The fourth proportional to 107,655.99, 148,549.48 and 64,626.36 is: 89,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,655.99 : 148,549.48 = 64,626.36 : x
  2. Step 2: Convert to fraction form
    107,655.99/148,549.48 = 64,626.36/x
  3. Step 3: Cross multiply
    107,655.99x = 148,549.48 × 64,626.36
  4. Step 4: Simplify right side
    107,655.99x = 9,600,212,172.29
  5. Step 5: Solve for x
    x = 9,600,212,172.29/107,655.99
  6. Step 6: Final answer
    x = 89,174.90

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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.