Home / 158,941.84-219,263.95-115,828.90

Finding the Fourth Proportional to 158,941.84, 219,263.95 and 115,828.90

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Solution

The fourth proportional to 158,941.84, 219,263.95 and 115,828.90 is: 159,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,941.84 : 219,263.95 = 115,828.90 : x
  2. Step 2: Convert to fraction form
    158,941.84/219,263.95 = 115,828.90/x
  3. Step 3: Cross multiply
    158,941.84x = 219,263.95 × 115,828.90
  4. Step 4: Simplify right side
    158,941.84x = 25,397,102,138.16
  5. Step 5: Solve for x
    x = 25,397,102,138.16/158,941.84
  6. Step 6: Final answer
    x = 159,788.65

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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.