Home / 152,149.77-228,128.67-52,301.07

Finding the Fourth Proportional to 152,149.77, 228,128.67 and 52,301.07

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Solution

The fourth proportional to 152,149.77, 228,128.67 and 52,301.07 is: 78,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,149.77 : 228,128.67 = 52,301.07 : x
  2. Step 2: Convert to fraction form
    152,149.77/228,128.67 = 52,301.07/x
  3. Step 3: Cross multiply
    152,149.77x = 228,128.67 × 52,301.07
  4. Step 4: Simplify right side
    152,149.77x = 11,931,373,538.68
  5. Step 5: Solve for x
    x = 11,931,373,538.68/152,149.77
  6. Step 6: Final answer
    x = 78,418.61

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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.