Home / 303,124.17-454,721.36-100,738.35

Finding the Fourth Proportional to 303,124.17, 454,721.36 and 100,738.35

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Solution

The fourth proportional to 303,124.17, 454,721.36 and 100,738.35 is: 151,119.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,124.17 : 454,721.36 = 100,738.35 : x
  2. Step 2: Convert to fraction form
    303,124.17/454,721.36 = 100,738.35/x
  3. Step 3: Cross multiply
    303,124.17x = 454,721.36 × 100,738.35
  4. Step 4: Simplify right side
    303,124.17x = 45,807,879,012.46
  5. Step 5: Solve for x
    x = 45,807,879,012.46/303,124.17
  6. Step 6: Final answer
    x = 151,119.19

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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.