Home / 148,006.19-204,264.38-90,683.56

Finding the Fourth Proportional to 148,006.19, 204,264.38 and 90,683.56

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Solution

The fourth proportional to 148,006.19, 204,264.38 and 90,683.56 is: 125,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,006.19 : 204,264.38 = 90,683.56 : x
  2. Step 2: Convert to fraction form
    148,006.19/204,264.38 = 90,683.56/x
  3. Step 3: Cross multiply
    148,006.19x = 204,264.38 × 90,683.56
  4. Step 4: Simplify right side
    148,006.19x = 18,523,420,195.51
  5. Step 5: Solve for x
    x = 18,523,420,195.51/148,006.19
  6. Step 6: Final answer
    x = 125,153.01

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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.