Home / 110,686.95-152,704.58-68,171.67

Finding the Fourth Proportional to 110,686.95, 152,704.58 and 68,171.67

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Solution

The fourth proportional to 110,686.95, 152,704.58 and 68,171.67 is: 94,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,686.95 : 152,704.58 = 68,171.67 : x
  2. Step 2: Convert to fraction form
    110,686.95/152,704.58 = 68,171.67/x
  3. Step 3: Cross multiply
    110,686.95x = 152,704.58 × 68,171.67
  4. Step 4: Simplify right side
    110,686.95x = 10,410,125,894.39
  5. Step 5: Solve for x
    x = 10,410,125,894.39/110,686.95
  6. Step 6: Final answer
    x = 94,050.16

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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.