Home / 114,612.48-158,164.80-64,311.36

Finding the Fourth Proportional to 114,612.48, 158,164.80 and 64,311.36

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Solution

The fourth proportional to 114,612.48, 158,164.80 and 64,311.36 is: 88,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,612.48 : 158,164.80 = 64,311.36 : x
  2. Step 2: Convert to fraction form
    114,612.48/158,164.80 = 64,311.36/x
  3. Step 3: Cross multiply
    114,612.48x = 158,164.80 × 64,311.36
  4. Step 4: Simplify right side
    114,612.48x = 10,171,793,392.13
  5. Step 5: Solve for x
    x = 10,171,793,392.13/114,612.48
  6. Step 6: Final answer
    x = 88,749.44

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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.