Home / 112,203.15-168,262.73-48,153.21

Finding the Fourth Proportional to 112,203.15, 168,262.73 and 48,153.21

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Solution

The fourth proportional to 112,203.15, 168,262.73 and 48,153.21 is: 72,211.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,203.15 : 168,262.73 = 48,153.21 : x
  2. Step 2: Convert to fraction form
    112,203.15/168,262.73 = 48,153.21/x
  3. Step 3: Cross multiply
    112,203.15x = 168,262.73 × 48,153.21
  4. Step 4: Simplify right side
    112,203.15x = 8,102,390,572.86
  5. Step 5: Solve for x
    x = 8,102,390,572.86/112,203.15
  6. Step 6: Final answer
    x = 72,211.79

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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.