Home / 156,641.08-234,665.70-121,408.24

Finding the Fourth Proportional to 156,641.08, 234,665.70 and 121,408.24

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Solution

The fourth proportional to 156,641.08, 234,665.70 and 121,408.24 is: 181,883.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,641.08 : 234,665.70 = 121,408.24 : x
  2. Step 2: Convert to fraction form
    156,641.08/234,665.70 = 121,408.24/x
  3. Step 3: Cross multiply
    156,641.08x = 234,665.70 × 121,408.24
  4. Step 4: Simplify right side
    156,641.08x = 28,490,349,625.37
  5. Step 5: Solve for x
    x = 28,490,349,625.37/156,641.08
  6. Step 6: Final answer
    x = 181,883.00

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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.