Home / 157,929.20-217,941.94-89,946.17

Finding the Fourth Proportional to 157,929.20, 217,941.94 and 89,946.17

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Solution

The fourth proportional to 157,929.20, 217,941.94 and 89,946.17 is: 124,125.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,929.20 : 217,941.94 = 89,946.17 : x
  2. Step 2: Convert to fraction form
    157,929.20/217,941.94 = 89,946.17/x
  3. Step 3: Cross multiply
    157,929.20x = 217,941.94 × 89,946.17
  4. Step 4: Simplify right side
    157,929.20x = 19,603,042,785.37
  5. Step 5: Solve for x
    x = 19,603,042,785.37/157,929.20
  6. Step 6: Final answer
    x = 124,125.51

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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.