Home / 114,723.36-158,320.08-64,421.28

Finding the Fourth Proportional to 114,723.36, 158,320.08 and 64,421.28

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Solution

The fourth proportional to 114,723.36, 158,320.08 and 64,421.28 is: 88,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,723.36 : 158,320.08 = 64,421.28 : x
  2. Step 2: Convert to fraction form
    114,723.36/158,320.08 = 64,421.28/x
  3. Step 3: Cross multiply
    114,723.36x = 158,320.08 × 64,421.28
  4. Step 4: Simplify right side
    114,723.36x = 10,199,182,203.30
  5. Step 5: Solve for x
    x = 10,199,182,203.30/114,723.36
  6. Step 6: Final answer
    x = 88,902.40

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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.