Home / 168,340.08-232,206.84-100,312.32

Finding the Fourth Proportional to 168,340.08, 232,206.84 and 100,312.32

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Solution

The fourth proportional to 168,340.08, 232,206.84 and 100,312.32 is: 138,369.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,340.08 : 232,206.84 = 100,312.32 : x
  2. Step 2: Convert to fraction form
    168,340.08/232,206.84 = 100,312.32/x
  3. Step 3: Cross multiply
    168,340.08x = 232,206.84 × 100,312.32
  4. Step 4: Simplify right side
    168,340.08x = 23,293,206,840.27
  5. Step 5: Solve for x
    x = 23,293,206,840.27/168,340.08
  6. Step 6: Final answer
    x = 138,369.94

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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.