Home / 223,032.18-307,784.72-121,057.66

Finding the Fourth Proportional to 223,032.18, 307,784.72 and 121,057.66

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Solution

The fourth proportional to 223,032.18, 307,784.72 and 121,057.66 is: 167,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,032.18 : 307,784.72 = 121,057.66 : x
  2. Step 2: Convert to fraction form
    223,032.18/307,784.72 = 121,057.66/x
  3. Step 3: Cross multiply
    223,032.18x = 307,784.72 × 121,057.66
  4. Step 4: Simplify right side
    223,032.18x = 37,259,697,381.67
  5. Step 5: Solve for x
    x = 37,259,697,381.67/223,032.18
  6. Step 6: Final answer
    x = 167,059.74

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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.