Home / 123,285.22-184,938.36-43,316.20

Finding the Fourth Proportional to 123,285.22, 184,938.36 and 43,316.20

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Solution

The fourth proportional to 123,285.22, 184,938.36 and 43,316.20 is: 64,978.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,285.22 : 184,938.36 = 43,316.20 : x
  2. Step 2: Convert to fraction form
    123,285.22/184,938.36 = 43,316.20/x
  3. Step 3: Cross multiply
    123,285.22x = 184,938.36 × 43,316.20
  4. Step 4: Simplify right side
    123,285.22x = 8,010,827,058.17
  5. Step 5: Solve for x
    x = 8,010,827,058.17/123,285.22
  6. Step 6: Final answer
    x = 64,978.00

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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.