Home / 102,614.60-153,921.90-94,741.40

Finding the Fourth Proportional to 102,614.60, 153,921.90 and 94,741.40

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Solution

The fourth proportional to 102,614.60, 153,921.90 and 94,741.40 is: 142,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,614.60 : 153,921.90 = 94,741.40 : x
  2. Step 2: Convert to fraction form
    102,614.60/153,921.90 = 94,741.40/x
  3. Step 3: Cross multiply
    102,614.60x = 153,921.90 × 94,741.40
  4. Step 4: Simplify right side
    102,614.60x = 14,582,776,296.66
  5. Step 5: Solve for x
    x = 14,582,776,296.66/102,614.60
  6. Step 6: Final answer
    x = 142,112.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.