Home / 210,002.24-314,904.85-76,789.35

Finding the Fourth Proportional to 210,002.24, 314,904.85 and 76,789.35

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Solution

The fourth proportional to 210,002.24, 314,904.85 and 76,789.35 is: 115,148.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,002.24 : 314,904.85 = 76,789.35 : x
  2. Step 2: Convert to fraction form
    210,002.24/314,904.85 = 76,789.35/x
  3. Step 3: Cross multiply
    210,002.24x = 314,904.85 × 76,789.35
  4. Step 4: Simplify right side
    210,002.24x = 24,181,338,551.37
  5. Step 5: Solve for x
    x = 24,181,338,551.37/210,002.24
  6. Step 6: Final answer
    x = 115,148.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.