Home / 122,284.30-183,426.45-105,881.80

Finding the Fourth Proportional to 122,284.30, 183,426.45 and 105,881.80

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Solution

The fourth proportional to 122,284.30, 183,426.45 and 105,881.80 is: 158,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,284.30 : 183,426.45 = 105,881.80 : x
  2. Step 2: Convert to fraction form
    122,284.30/183,426.45 = 105,881.80/x
  3. Step 3: Cross multiply
    122,284.30x = 183,426.45 × 105,881.80
  4. Step 4: Simplify right side
    122,284.30x = 19,421,522,693.61
  5. Step 5: Solve for x
    x = 19,421,522,693.61/122,284.30
  6. Step 6: Final answer
    x = 158,822.70

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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.