Home / 152,386.10-228,190.35-121,282.10

Finding the Fourth Proportional to 152,386.10, 228,190.35 and 121,282.10

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Solution

The fourth proportional to 152,386.10, 228,190.35 and 121,282.10 is: 181,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,386.10 : 228,190.35 = 121,282.10 : x
  2. Step 2: Convert to fraction form
    152,386.10/228,190.35 = 121,282.10/x
  3. Step 3: Cross multiply
    152,386.10x = 228,190.35 × 121,282.10
  4. Step 4: Simplify right side
    152,386.10x = 27,675,404,847.74
  5. Step 5: Solve for x
    x = 27,675,404,847.74/152,386.10
  6. Step 6: Final answer
    x = 181,613.71

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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.