Home / 114,717.36-158,311.80-64,415.28

Finding the Fourth Proportional to 114,717.36, 158,311.80 and 64,415.28

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Solution

The fourth proportional to 114,717.36, 158,311.80 and 64,415.28 is: 88,894.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,717.36 : 158,311.80 = 64,415.28 : x
  2. Step 2: Convert to fraction form
    114,717.36/158,311.80 = 64,415.28/x
  3. Step 3: Cross multiply
    114,717.36x = 158,311.80 × 64,415.28
  4. Step 4: Simplify right side
    114,717.36x = 10,197,698,924.30
  5. Step 5: Solve for x
    x = 10,197,698,924.30/114,717.36
  6. Step 6: Final answer
    x = 88,894.12

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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.