Home / 123,323.40-184,985.10-112,242.60

Finding the Fourth Proportional to 123,323.40, 184,985.10 and 112,242.60

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Solution

The fourth proportional to 123,323.40, 184,985.10 and 112,242.60 is: 168,363.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,323.40 : 184,985.10 = 112,242.60 : x
  2. Step 2: Convert to fraction form
    123,323.40/184,985.10 = 112,242.60/x
  3. Step 3: Cross multiply
    123,323.40x = 184,985.10 × 112,242.60
  4. Step 4: Simplify right side
    123,323.40x = 20,763,208,585.26
  5. Step 5: Solve for x
    x = 20,763,208,585.26/123,323.40
  6. Step 6: Final answer
    x = 168,363.90

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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.