Home / 170,688.36-235,512.24-99,026.88

Finding the Fourth Proportional to 170,688.36, 235,512.24 and 99,026.88

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Solution

The fourth proportional to 170,688.36, 235,512.24 and 99,026.88 is: 136,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,688.36 : 235,512.24 = 99,026.88 : x
  2. Step 2: Convert to fraction form
    170,688.36/235,512.24 = 99,026.88/x
  3. Step 3: Cross multiply
    170,688.36x = 235,512.24 × 99,026.88
  4. Step 4: Simplify right side
    170,688.36x = 23,322,042,329.01
  5. Step 5: Solve for x
    x = 23,322,042,329.01/170,688.36
  6. Step 6: Final answer
    x = 136,635.22

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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.