Home / 157,672.20-236,501.64-73,403.40

Finding the Fourth Proportional to 157,672.20, 236,501.64 and 73,403.40

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Solution

The fourth proportional to 157,672.20, 236,501.64 and 73,403.40 is: 110,102.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,672.20 : 236,501.64 = 73,403.40 : x
  2. Step 2: Convert to fraction form
    157,672.20/236,501.64 = 73,403.40/x
  3. Step 3: Cross multiply
    157,672.20x = 236,501.64 × 73,403.40
  4. Step 4: Simplify right side
    157,672.20x = 17,360,024,481.58
  5. Step 5: Solve for x
    x = 17,360,024,481.58/157,672.20
  6. Step 6: Final answer
    x = 110,102.00

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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.