Home / 147,832.08-221,888.31-91,501.80

Finding the Fourth Proportional to 147,832.08, 221,888.31 and 91,501.80

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Solution

The fourth proportional to 147,832.08, 221,888.31 and 91,501.80 is: 137,339.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,832.08 : 221,888.31 = 91,501.80 : x
  2. Step 2: Convert to fraction form
    147,832.08/221,888.31 = 91,501.80/x
  3. Step 3: Cross multiply
    147,832.08x = 221,888.31 × 91,501.80
  4. Step 4: Simplify right side
    147,832.08x = 20,303,179,360.79
  5. Step 5: Solve for x
    x = 20,303,179,360.79/147,832.08
  6. Step 6: Final answer
    x = 137,339.47

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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.