Home / 369,256.25-553,977.78-103,016.57

Finding the Fourth Proportional to 369,256.25, 553,977.78 and 103,016.57

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Solution

The fourth proportional to 369,256.25, 553,977.78 and 103,016.57 is: 154,550.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,256.25 : 553,977.78 = 103,016.57 : x
  2. Step 2: Convert to fraction form
    369,256.25/553,977.78 = 103,016.57/x
  3. Step 3: Cross multiply
    369,256.25x = 553,977.78 × 103,016.57
  4. Step 4: Simplify right side
    369,256.25x = 57,068,887,981.93
  5. Step 5: Solve for x
    x = 57,068,887,981.93/369,256.25
  6. Step 6: Final answer
    x = 154,550.91

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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.