Home / 157,280.41-217,049.44-85,660.38

Finding the Fourth Proportional to 157,280.41, 217,049.44 and 85,660.38

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Solution

The fourth proportional to 157,280.41, 217,049.44 and 85,660.38 is: 118,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,280.41 : 217,049.44 = 85,660.38 : x
  2. Step 2: Convert to fraction form
    157,280.41/217,049.44 = 85,660.38/x
  3. Step 3: Cross multiply
    157,280.41x = 217,049.44 × 85,660.38
  4. Step 4: Simplify right side
    157,280.41x = 18,592,537,509.19
  5. Step 5: Solve for x
    x = 18,592,537,509.19/157,280.41
  6. Step 6: Final answer
    x = 118,212.67

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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.