Home / 269,079.19-403,637.10-89,164.20

Finding the Fourth Proportional to 269,079.19, 403,637.10 and 89,164.20

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Solution

The fourth proportional to 269,079.19, 403,637.10 and 89,164.20 is: 133,752.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,079.19 : 403,637.10 = 89,164.20 : x
  2. Step 2: Convert to fraction form
    269,079.19/403,637.10 = 89,164.20/x
  3. Step 3: Cross multiply
    269,079.19x = 403,637.10 × 89,164.20
  4. Step 4: Simplify right side
    269,079.19x = 35,989,979,111.82
  5. Step 5: Solve for x
    x = 35,989,979,111.82/269,079.19
  6. Step 6: Final answer
    x = 133,752.37

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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.