Home / 107,321.47-148,119.03-64,302.67

Finding the Fourth Proportional to 107,321.47, 148,119.03 and 64,302.67

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Solution

The fourth proportional to 107,321.47, 148,119.03 and 64,302.67 is: 88,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,321.47 : 148,119.03 = 64,302.67 : x
  2. Step 2: Convert to fraction form
    107,321.47/148,119.03 = 64,302.67/x
  3. Step 3: Cross multiply
    107,321.47x = 148,119.03 × 64,302.67
  4. Step 4: Simplify right side
    107,321.47x = 9,524,449,106.81
  5. Step 5: Solve for x
    x = 9,524,449,106.81/107,321.47
  6. Step 6: Final answer
    x = 88,746.91

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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.