Home / 147,651.36-203,688.02-96,641.64

Finding the Fourth Proportional to 147,651.36, 203,688.02 and 96,641.64

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Solution

The fourth proportional to 147,651.36, 203,688.02 and 96,641.64 is: 133,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,651.36 : 203,688.02 = 96,641.64 : x
  2. Step 2: Convert to fraction form
    147,651.36/203,688.02 = 96,641.64/x
  3. Step 3: Cross multiply
    147,651.36x = 203,688.02 × 96,641.64
  4. Step 4: Simplify right side
    147,651.36x = 19,684,744,301.15
  5. Step 5: Solve for x
    x = 19,684,744,301.15/147,651.36
  6. Step 6: Final answer
    x = 133,319.09

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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.