Home / 220,590.77-304,404.14-125,106.35

Finding the Fourth Proportional to 220,590.77, 304,404.14 and 125,106.35

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Solution

The fourth proportional to 220,590.77, 304,404.14 and 125,106.35 is: 172,640.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,590.77 : 304,404.14 = 125,106.35 : x
  2. Step 2: Convert to fraction form
    220,590.77/304,404.14 = 125,106.35/x
  3. Step 3: Cross multiply
    220,590.77x = 304,404.14 × 125,106.35
  4. Step 4: Simplify right side
    220,590.77x = 38,082,889,671.03
  5. Step 5: Solve for x
    x = 38,082,889,671.03/220,590.77
  6. Step 6: Final answer
    x = 172,640.45

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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.