Home / 114,131.68-157,506.42-63,143.60

Finding the Fourth Proportional to 114,131.68, 157,506.42 and 63,143.60

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Solution

The fourth proportional to 114,131.68, 157,506.42 and 63,143.60 is: 87,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,131.68 : 157,506.42 = 63,143.60 : x
  2. Step 2: Convert to fraction form
    114,131.68/157,506.42 = 63,143.60/x
  3. Step 3: Cross multiply
    114,131.68x = 157,506.42 × 63,143.60
  4. Step 4: Simplify right side
    114,131.68x = 9,945,522,381.91
  5. Step 5: Solve for x
    x = 9,945,522,381.91/114,131.68
  6. Step 6: Final answer
    x = 87,140.77

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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.