Home / 152,456.13-228,893.66-77,626.55

Finding the Fourth Proportional to 152,456.13, 228,893.66 and 77,626.55

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Solution

The fourth proportional to 152,456.13, 228,893.66 and 77,626.55 is: 116,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,456.13 : 228,893.66 = 77,626.55 : x
  2. Step 2: Convert to fraction form
    152,456.13/228,893.66 = 77,626.55/x
  3. Step 3: Cross multiply
    152,456.13x = 228,893.66 × 77,626.55
  4. Step 4: Simplify right side
    152,456.13x = 17,768,223,610.07
  5. Step 5: Solve for x
    x = 17,768,223,610.07/152,456.13
  6. Step 6: Final answer
    x = 116,546.47

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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.