Home / 201,170.48-277,499.78-125,587.76

Finding the Fourth Proportional to 201,170.48, 277,499.78 and 125,587.76

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Solution

The fourth proportional to 201,170.48, 277,499.78 and 125,587.76 is: 173,239.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,170.48 : 277,499.78 = 125,587.76 : x
  2. Step 2: Convert to fraction form
    201,170.48/277,499.78 = 125,587.76/x
  3. Step 3: Cross multiply
    201,170.48x = 277,499.78 × 125,587.76
  4. Step 4: Simplify right side
    201,170.48x = 34,850,575,770.69
  5. Step 5: Solve for x
    x = 34,850,575,770.69/201,170.48
  6. Step 6: Final answer
    x = 173,239.01

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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.