Home / 154,607.40-213,460.56-118,733.04

Finding the Fourth Proportional to 154,607.40, 213,460.56 and 118,733.04

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Solution

The fourth proportional to 154,607.40, 213,460.56 and 118,733.04 is: 163,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,607.40 : 213,460.56 = 118,733.04 : x
  2. Step 2: Convert to fraction form
    154,607.40/213,460.56 = 118,733.04/x
  3. Step 3: Cross multiply
    154,607.40x = 213,460.56 × 118,733.04
  4. Step 4: Simplify right side
    154,607.40x = 25,344,821,208.90
  5. Step 5: Solve for x
    x = 25,344,821,208.90/154,607.40
  6. Step 6: Final answer
    x = 163,930.19

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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.