Home / 114,029.28-157,416.50-71,611.20

Finding the Fourth Proportional to 114,029.28, 157,416.50 and 71,611.20

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Solution

The fourth proportional to 114,029.28, 157,416.50 and 71,611.20 is: 98,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,029.28 : 157,416.50 = 71,611.20 : x
  2. Step 2: Convert to fraction form
    114,029.28/157,416.50 = 71,611.20/x
  3. Step 3: Cross multiply
    114,029.28x = 157,416.50 × 71,611.20
  4. Step 4: Simplify right side
    114,029.28x = 11,272,784,464.80
  5. Step 5: Solve for x
    x = 11,272,784,464.80/114,029.28
  6. Step 6: Final answer
    x = 98,858.68

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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.