Home / 122,128.05-183,218.22-37,886.40

Finding the Fourth Proportional to 122,128.05, 183,218.22 and 37,886.40

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Solution

The fourth proportional to 122,128.05, 183,218.22 and 37,886.40 is: 56,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,128.05 : 183,218.22 = 37,886.40 : x
  2. Step 2: Convert to fraction form
    122,128.05/183,218.22 = 37,886.40/x
  3. Step 3: Cross multiply
    122,128.05x = 183,218.22 × 37,886.40
  4. Step 4: Simplify right side
    122,128.05x = 6,941,478,770.21
  5. Step 5: Solve for x
    x = 6,941,478,770.21/122,128.05
  6. Step 6: Final answer
    x = 56,837.71

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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.