Home / 117,928.65-162,740.84-64,213.53

Finding the Fourth Proportional to 117,928.65, 162,740.84 and 64,213.53

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Solution

The fourth proportional to 117,928.65, 162,740.84 and 64,213.53 is: 88,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,928.65 : 162,740.84 = 64,213.53 : x
  2. Step 2: Convert to fraction form
    117,928.65/162,740.84 = 64,213.53/x
  3. Step 3: Cross multiply
    117,928.65x = 162,740.84 × 64,213.53
  4. Step 4: Simplify right side
    117,928.65x = 10,450,163,811.57
  5. Step 5: Solve for x
    x = 10,450,163,811.57/117,928.65
  6. Step 6: Final answer
    x = 88,614.29

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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.