Home / 194,617.60-268,574.88-118,114.72

Finding the Fourth Proportional to 194,617.60, 268,574.88 and 118,114.72

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Solution

The fourth proportional to 194,617.60, 268,574.88 and 118,114.72 is: 162,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,617.60 : 268,574.88 = 118,114.72 : x
  2. Step 2: Convert to fraction form
    194,617.60/268,574.88 = 118,114.72/x
  3. Step 3: Cross multiply
    194,617.60x = 268,574.88 × 118,114.72
  4. Step 4: Simplify right side
    194,617.60x = 31,722,646,750.23
  5. Step 5: Solve for x
    x = 31,722,646,750.23/194,617.60
  6. Step 6: Final answer
    x = 162,999.89

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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.