Home / 123,316.32-184,988.70-43,329.72

Finding the Fourth Proportional to 123,316.32, 184,988.70 and 43,329.72

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Solution

The fourth proportional to 123,316.32, 184,988.70 and 43,329.72 is: 64,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,316.32 : 184,988.70 = 43,329.72 : x
  2. Step 2: Convert to fraction form
    123,316.32/184,988.70 = 43,329.72/x
  3. Step 3: Cross multiply
    123,316.32x = 184,988.70 × 43,329.72
  4. Step 4: Simplify right side
    123,316.32x = 8,015,508,574.16
  5. Step 5: Solve for x
    x = 8,015,508,574.16/123,316.32
  6. Step 6: Final answer
    x = 64,999.58

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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.