Home / 107,264.36-148,028.76-64,814.68

Finding the Fourth Proportional to 107,264.36, 148,028.76 and 64,814.68

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Solution

The fourth proportional to 107,264.36, 148,028.76 and 64,814.68 is: 89,446.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,264.36 : 148,028.76 = 64,814.68 : x
  2. Step 2: Convert to fraction form
    107,264.36/148,028.76 = 64,814.68/x
  3. Step 3: Cross multiply
    107,264.36x = 148,028.76 × 64,814.68
  4. Step 4: Simplify right side
    107,264.36x = 9,594,436,710.20
  5. Step 5: Solve for x
    x = 9,594,436,710.20/107,264.36
  6. Step 6: Final answer
    x = 89,446.64

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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.