Home / 170,682.88-235,545.60-99,068.80

Finding the Fourth Proportional to 170,682.88, 235,545.60 and 99,068.80

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Solution

The fourth proportional to 170,682.88, 235,545.60 and 99,068.80 is: 136,716.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,682.88 : 235,545.60 = 99,068.80 : x
  2. Step 2: Convert to fraction form
    170,682.88/235,545.60 = 99,068.80/x
  3. Step 3: Cross multiply
    170,682.88x = 235,545.60 × 99,068.80
  4. Step 4: Simplify right side
    170,682.88x = 23,335,219,937.28
  5. Step 5: Solve for x
    x = 23,335,219,937.28/170,682.88
  6. Step 6: Final answer
    x = 136,716.82

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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.