Home / 223,267.16-308,107.46-121,291.81

Finding the Fourth Proportional to 223,267.16, 308,107.46 and 121,291.81

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Solution

The fourth proportional to 223,267.16, 308,107.46 and 121,291.81 is: 167,382.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,267.16 : 308,107.46 = 121,291.81 : x
  2. Step 2: Convert to fraction form
    223,267.16/308,107.46 = 121,291.81/x
  3. Step 3: Cross multiply
    223,267.16x = 308,107.46 × 121,291.81
  4. Step 4: Simplify right side
    223,267.16x = 37,370,911,030.86
  5. Step 5: Solve for x
    x = 37,370,911,030.86/223,267.16
  6. Step 6: Final answer
    x = 167,382.03

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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.