Home / 122,644.60-183,966.90-113,313.40

Finding the Fourth Proportional to 122,644.60, 183,966.90 and 113,313.40

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Solution

The fourth proportional to 122,644.60, 183,966.90 and 113,313.40 is: 169,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,644.60 : 183,966.90 = 113,313.40 : x
  2. Step 2: Convert to fraction form
    122,644.60/183,966.90 = 113,313.40/x
  3. Step 3: Cross multiply
    122,644.60x = 183,966.90 × 113,313.40
  4. Step 4: Simplify right side
    122,644.60x = 20,845,914,926.46
  5. Step 5: Solve for x
    x = 20,845,914,926.46/122,644.60
  6. Step 6: Final answer
    x = 169,970.10

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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.