Home / 156,402.78-234,554.62-56,549.76

Finding the Fourth Proportional to 156,402.78, 234,554.62 and 56,549.76

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Solution

The fourth proportional to 156,402.78, 234,554.62 and 56,549.76 is: 84,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,402.78 : 234,554.62 = 56,549.76 : x
  2. Step 2: Convert to fraction form
    156,402.78/234,554.62 = 56,549.76/x
  3. Step 3: Cross multiply
    156,402.78x = 234,554.62 × 56,549.76
  4. Step 4: Simplify right side
    156,402.78x = 13,264,007,467.89
  5. Step 5: Solve for x
    x = 13,264,007,467.89/156,402.78
  6. Step 6: Final answer
    x = 84,806.72

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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.