Home / 170,420.77-235,182.32-93,942.82

Finding the Fourth Proportional to 170,420.77, 235,182.32 and 93,942.82

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Solution

The fourth proportional to 170,420.77, 235,182.32 and 93,942.82 is: 129,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,420.77 : 235,182.32 = 93,942.82 : x
  2. Step 2: Convert to fraction form
    170,420.77/235,182.32 = 93,942.82/x
  3. Step 3: Cross multiply
    170,420.77x = 235,182.32 × 93,942.82
  4. Step 4: Simplify right side
    170,420.77x = 22,093,690,354.94
  5. Step 5: Solve for x
    x = 22,093,690,354.94/170,420.77
  6. Step 6: Final answer
    x = 129,642.01

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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.