Home / 149,216.10-223,802.07-54,424.09

Finding the Fourth Proportional to 149,216.10, 223,802.07 and 54,424.09

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Solution

The fourth proportional to 149,216.10, 223,802.07 and 54,424.09 is: 81,628.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,216.10 : 223,802.07 = 54,424.09 : x
  2. Step 2: Convert to fraction form
    149,216.10/223,802.07 = 54,424.09/x
  3. Step 3: Cross multiply
    149,216.10x = 223,802.07 × 54,424.09
  4. Step 4: Simplify right side
    149,216.10x = 12,180,223,999.87
  5. Step 5: Solve for x
    x = 12,180,223,999.87/149,216.10
  6. Step 6: Final answer
    x = 81,628.08

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1.5x scale

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.