Home / 154,626.45-213,487.29-118,752.36

Finding the Fourth Proportional to 154,626.45, 213,487.29 and 118,752.36

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Solution

The fourth proportional to 154,626.45, 213,487.29 and 118,752.36 is: 163,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,626.45 : 213,487.29 = 118,752.36 : x
  2. Step 2: Convert to fraction form
    154,626.45/213,487.29 = 118,752.36/x
  3. Step 3: Cross multiply
    154,626.45x = 213,487.29 × 118,752.36
  4. Step 4: Simplify right side
    154,626.45x = 25,352,119,517.50
  5. Step 5: Solve for x
    x = 25,352,119,517.50/154,626.45
  6. Step 6: Final answer
    x = 163,957.20

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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.