Home / 157,606.16-217,496.27-85,986.23

Finding the Fourth Proportional to 157,606.16, 217,496.27 and 85,986.23

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Solution

The fourth proportional to 157,606.16, 217,496.27 and 85,986.23 is: 118,660.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,606.16 : 217,496.27 = 85,986.23 : x
  2. Step 2: Convert to fraction form
    157,606.16/217,496.27 = 85,986.23/x
  3. Step 3: Cross multiply
    157,606.16x = 217,496.27 × 85,986.23
  4. Step 4: Simplify right side
    157,606.16x = 18,701,683,423.85
  5. Step 5: Solve for x
    x = 18,701,683,423.85/157,606.16
  6. Step 6: Final answer
    x = 118,660.87

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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.