Home / 157,000.10-235,536.90-51,818.97

Finding the Fourth Proportional to 157,000.10, 235,536.90 and 51,818.97

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Solution

The fourth proportional to 157,000.10, 235,536.90 and 51,818.97 is: 77,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,000.10 : 235,536.90 = 51,818.97 : x
  2. Step 2: Convert to fraction form
    157,000.10/235,536.90 = 51,818.97/x
  3. Step 3: Cross multiply
    157,000.10x = 235,536.90 × 51,818.97
  4. Step 4: Simplify right side
    157,000.10x = 12,205,279,554.99
  5. Step 5: Solve for x
    x = 12,205,279,554.99/157,000.10
  6. Step 6: Final answer
    x = 77,740.58

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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.