Home / 170,766.08-235,666.32-99,168.56

Finding the Fourth Proportional to 170,766.08, 235,666.32 and 99,168.56

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Solution

The fourth proportional to 170,766.08, 235,666.32 and 99,168.56 is: 136,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,766.08 : 235,666.32 = 99,168.56 : x
  2. Step 2: Convert to fraction form
    170,766.08/235,666.32 = 99,168.56/x
  3. Step 3: Cross multiply
    170,766.08x = 235,666.32 × 99,168.56
  4. Step 4: Simplify right side
    170,766.08x = 23,370,689,594.90
  5. Step 5: Solve for x
    x = 23,370,689,594.90/170,766.08
  6. Step 6: Final answer
    x = 136,857.91

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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.