Home / 268,609.71-370,734.00-153,965.22

Finding the Fourth Proportional to 268,609.71, 370,734.00 and 153,965.22

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Solution

The fourth proportional to 268,609.71, 370,734.00 and 153,965.22 is: 212,502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,609.71 : 370,734.00 = 153,965.22 : x
  2. Step 2: Convert to fraction form
    268,609.71/370,734.00 = 153,965.22/x
  3. Step 3: Cross multiply
    268,609.71x = 370,734.00 × 153,965.22
  4. Step 4: Simplify right side
    268,609.71x = 57,080,139,903.86
  5. Step 5: Solve for x
    x = 57,080,139,903.86/268,609.71
  6. Step 6: Final answer
    x = 212,502.14

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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.