Home / 118,776.24-178,443.06-112,051.08

Finding the Fourth Proportional to 118,776.24, 178,443.06 and 112,051.08

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Solution

The fourth proportional to 118,776.24, 178,443.06 and 112,051.08 is: 168,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,776.24 : 178,443.06 = 112,051.08 : x
  2. Step 2: Convert to fraction form
    118,776.24/178,443.06 = 112,051.08/x
  3. Step 3: Cross multiply
    118,776.24x = 178,443.06 × 112,051.08
  4. Step 4: Simplify right side
    118,776.24x = 19,994,737,591.50
  5. Step 5: Solve for x
    x = 19,994,737,591.50/118,776.24
  6. Step 6: Final answer
    x = 168,339.54

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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.