Home / 196,032.25-270,424.75-128,088.94

Finding the Fourth Proportional to 196,032.25, 270,424.75 and 128,088.94

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Solution

The fourth proportional to 196,032.25, 270,424.75 and 128,088.94 is: 176,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,032.25 : 270,424.75 = 128,088.94 : x
  2. Step 2: Convert to fraction form
    196,032.25/270,424.75 = 128,088.94/x
  3. Step 3: Cross multiply
    196,032.25x = 270,424.75 × 128,088.94
  4. Step 4: Simplify right side
    196,032.25x = 34,638,419,577.27
  5. Step 5: Solve for x
    x = 34,638,419,577.27/196,032.25
  6. Step 6: Final answer
    x = 176,697.56

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1.5x scale

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.