Home / 149,001.20-223,501.80-92,904.65

Finding the Fourth Proportional to 149,001.20, 223,501.80 and 92,904.65

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Solution

The fourth proportional to 149,001.20, 223,501.80 and 92,904.65 is: 139,356.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,001.20 : 223,501.80 = 92,904.65 : x
  2. Step 2: Convert to fraction form
    149,001.20/223,501.80 = 92,904.65/x
  3. Step 3: Cross multiply
    149,001.20x = 223,501.80 × 92,904.65
  4. Step 4: Simplify right side
    149,001.20x = 20,764,356,503.37
  5. Step 5: Solve for x
    x = 20,764,356,503.37/149,001.20
  6. Step 6: Final answer
    x = 139,356.98

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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.