Home / 223,980.03-309,039.41-127,162.89

Finding the Fourth Proportional to 223,980.03, 309,039.41 and 127,162.89

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Solution

The fourth proportional to 223,980.03, 309,039.41 and 127,162.89 is: 175,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,980.03 : 309,039.41 = 127,162.89 : x
  2. Step 2: Convert to fraction form
    223,980.03/309,039.41 = 127,162.89/x
  3. Step 3: Cross multiply
    223,980.03x = 309,039.41 × 127,162.89
  4. Step 4: Simplify right side
    223,980.03x = 39,298,343,863.68
  5. Step 5: Solve for x
    x = 39,298,343,863.68/223,980.03
  6. Step 6: Final answer
    x = 175,454.68

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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.