Home / 288,166.56-397,685.40-160,841.04

Finding the Fourth Proportional to 288,166.56, 397,685.40 and 160,841.04

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Solution

The fourth proportional to 288,166.56, 397,685.40 and 160,841.04 is: 221,969.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,166.56 : 397,685.40 = 160,841.04 : x
  2. Step 2: Convert to fraction form
    288,166.56/397,685.40 = 160,841.04/x
  3. Step 3: Cross multiply
    288,166.56x = 397,685.40 × 160,841.04
  4. Step 4: Simplify right side
    288,166.56x = 63,964,133,328.82
  5. Step 5: Solve for x
    x = 63,964,133,328.82/288,166.56
  6. Step 6: Final answer
    x = 221,969.31

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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.