Home / 156,720.32-235,030.56-51,514.96

Finding the Fourth Proportional to 156,720.32, 235,030.56 and 51,514.96

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Solution

The fourth proportional to 156,720.32, 235,030.56 and 51,514.96 is: 77,256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,720.32 : 235,030.56 = 51,514.96 : x
  2. Step 2: Convert to fraction form
    156,720.32/235,030.56 = 51,514.96/x
  3. Step 3: Cross multiply
    156,720.32x = 235,030.56 × 51,514.96
  4. Step 4: Simplify right side
    156,720.32x = 12,107,589,897.18
  5. Step 5: Solve for x
    x = 12,107,589,897.18/156,720.32
  6. Step 6: Final answer
    x = 77,256.03

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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.