Home / 122,486.39-183,557.28-97,415.16

Finding the Fourth Proportional to 122,486.39, 183,557.28 and 97,415.16

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Solution

The fourth proportional to 122,486.39, 183,557.28 and 97,415.16 is: 145,985.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,486.39 : 183,557.28 = 97,415.16 : x
  2. Step 2: Convert to fraction form
    122,486.39/183,557.28 = 97,415.16/x
  3. Step 3: Cross multiply
    122,486.39x = 183,557.28 × 97,415.16
  4. Step 4: Simplify right side
    122,486.39x = 17,881,261,800.36
  5. Step 5: Solve for x
    x = 17,881,261,800.36/122,486.39
  6. Step 6: Final answer
    x = 145,985.71

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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.