Home / 191,918.15-264,847.50-107,040.68

Finding the Fourth Proportional to 191,918.15, 264,847.50 and 107,040.68

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Solution

The fourth proportional to 191,918.15, 264,847.50 and 107,040.68 is: 147,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,918.15 : 264,847.50 = 107,040.68 : x
  2. Step 2: Convert to fraction form
    191,918.15/264,847.50 = 107,040.68/x
  3. Step 3: Cross multiply
    191,918.15x = 264,847.50 × 107,040.68
  4. Step 4: Simplify right side
    191,918.15x = 28,349,455,172.06
  5. Step 5: Solve for x
    x = 28,349,455,172.06/191,918.15
  6. Step 6: Final answer
    x = 147,716.39

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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.