Home / 149,888.24-206,887.48-86,246.56

Finding the Fourth Proportional to 149,888.24, 206,887.48 and 86,246.56

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Solution

The fourth proportional to 149,888.24, 206,887.48 and 86,246.56 is: 119,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,888.24 : 206,887.48 = 86,246.56 : x
  2. Step 2: Convert to fraction form
    149,888.24/206,887.48 = 86,246.56/x
  3. Step 3: Cross multiply
    149,888.24x = 206,887.48 × 86,246.56
  4. Step 4: Simplify right side
    149,888.24x = 17,843,333,457.07
  5. Step 5: Solve for x
    x = 17,843,333,457.07/149,888.24
  6. Step 6: Final answer
    x = 119,044.25

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1.5x scale

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.