Home / 221,078.04-305,095.86-125,600.91

Finding the Fourth Proportional to 221,078.04, 305,095.86 and 125,600.91

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Solution

The fourth proportional to 221,078.04, 305,095.86 and 125,600.91 is: 173,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,078.04 : 305,095.86 = 125,600.91 : x
  2. Step 2: Convert to fraction form
    221,078.04/305,095.86 = 125,600.91/x
  3. Step 3: Cross multiply
    221,078.04x = 305,095.86 × 125,600.91
  4. Step 4: Simplify right side
    221,078.04x = 38,320,317,653.23
  5. Step 5: Solve for x
    x = 38,320,317,653.23/221,078.04
  6. Step 6: Final answer
    x = 173,333.89

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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.