Home / 123,495.72-185,091.60-70,232.40

Finding the Fourth Proportional to 123,495.72, 185,091.60 and 70,232.40

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Solution

The fourth proportional to 123,495.72, 185,091.60 and 70,232.40 is: 105,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,495.72 : 185,091.60 = 70,232.40 : x
  2. Step 2: Convert to fraction form
    123,495.72/185,091.60 = 70,232.40/x
  3. Step 3: Cross multiply
    123,495.72x = 185,091.60 × 70,232.40
  4. Step 4: Simplify right side
    123,495.72x = 12,999,427,287.84
  5. Step 5: Solve for x
    x = 12,999,427,287.84/123,495.72
  6. Step 6: Final answer
    x = 105,262.17

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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.