Home / 148,607.13-205,077.81-84,946.30

Finding the Fourth Proportional to 148,607.13, 205,077.81 and 84,946.30

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Solution

The fourth proportional to 148,607.13, 205,077.81 and 84,946.30 is: 117,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,607.13 : 205,077.81 = 84,946.30 : x
  2. Step 2: Convert to fraction form
    148,607.13/205,077.81 = 84,946.30/x
  3. Step 3: Cross multiply
    148,607.13x = 205,077.81 × 84,946.30
  4. Step 4: Simplify right side
    148,607.13x = 17,420,601,171.60
  5. Step 5: Solve for x
    x = 17,420,601,171.60/148,607.13
  6. Step 6: Final answer
    x = 117,225.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.