Home / 105,263.04-156,540.75-101,940.69

Finding the Fourth Proportional to 105,263.04, 156,540.75 and 101,940.69

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Solution

The fourth proportional to 105,263.04, 156,540.75 and 101,940.69 is: 151,599.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,263.04 : 156,540.75 = 101,940.69 : x
  2. Step 2: Convert to fraction form
    105,263.04/156,540.75 = 101,940.69/x
  3. Step 3: Cross multiply
    105,263.04x = 156,540.75 × 101,940.69
  4. Step 4: Simplify right side
    105,263.04x = 15,957,872,068.12
  5. Step 5: Solve for x
    x = 15,957,872,068.12/105,263.04
  6. Step 6: Final answer
    x = 151,599.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.