Home / 170,289.64-234,963.75-98,665.30

Finding the Fourth Proportional to 170,289.64, 234,963.75 and 98,665.30

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Solution

The fourth proportional to 170,289.64, 234,963.75 and 98,665.30 is: 136,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,289.64 : 234,963.75 = 98,665.30 : x
  2. Step 2: Convert to fraction form
    170,289.64/234,963.75 = 98,665.30/x
  3. Step 3: Cross multiply
    170,289.64x = 234,963.75 × 98,665.30
  4. Step 4: Simplify right side
    170,289.64x = 23,182,768,882.88
  5. Step 5: Solve for x
    x = 23,182,768,882.88/170,289.64
  6. Step 6: Final answer
    x = 136,137.28

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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.