Home / 264,877.48-397,307.32-115,117.76

Finding the Fourth Proportional to 264,877.48, 397,307.32 and 115,117.76

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Solution

The fourth proportional to 264,877.48, 397,307.32 and 115,117.76 is: 172,672.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,877.48 : 397,307.32 = 115,117.76 : x
  2. Step 2: Convert to fraction form
    264,877.48/397,307.32 = 115,117.76/x
  3. Step 3: Cross multiply
    264,877.48x = 397,307.32 × 115,117.76
  4. Step 4: Simplify right side
    264,877.48x = 45,737,128,710.00
  5. Step 5: Solve for x
    x = 45,737,128,710.00/264,877.48
  6. Step 6: Final answer
    x = 172,672.77

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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.