Home / 114,586.72-158,132.40-64,289.44

Finding the Fourth Proportional to 114,586.72, 158,132.40 and 64,289.44

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Solution

The fourth proportional to 114,586.72, 158,132.40 and 64,289.44 is: 88,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,586.72 : 158,132.40 = 64,289.44 : x
  2. Step 2: Convert to fraction form
    114,586.72/158,132.40 = 64,289.44/x
  3. Step 3: Cross multiply
    114,586.72x = 158,132.40 × 64,289.44
  4. Step 4: Simplify right side
    114,586.72x = 10,166,243,441.86
  5. Step 5: Solve for x
    x = 10,166,243,441.86/114,586.72
  6. Step 6: Final answer
    x = 88,720.96

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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.