Home / 112,181.86-168,223.44-42,011.92

Finding the Fourth Proportional to 112,181.86, 168,223.44 and 42,011.92

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Solution

The fourth proportional to 112,181.86, 168,223.44 and 42,011.92 is: 62,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,181.86 : 168,223.44 = 42,011.92 : x
  2. Step 2: Convert to fraction form
    112,181.86/168,223.44 = 42,011.92/x
  3. Step 3: Cross multiply
    112,181.86x = 168,223.44 × 42,011.92
  4. Step 4: Simplify right side
    112,181.86x = 7,067,389,703.40
  5. Step 5: Solve for x
    x = 7,067,389,703.40/112,181.86
  6. Step 6: Final answer
    x = 62,999.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.