Home / 156,827.04-235,010.90-77,783.44

Finding the Fourth Proportional to 156,827.04, 235,010.90 and 77,783.44

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Solution

The fourth proportional to 156,827.04, 235,010.90 and 77,783.44 is: 116,561.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,827.04 : 235,010.90 = 77,783.44 : x
  2. Step 2: Convert to fraction form
    156,827.04/235,010.90 = 77,783.44/x
  3. Step 3: Cross multiply
    156,827.04x = 235,010.90 × 77,783.44
  4. Step 4: Simplify right side
    156,827.04x = 18,279,956,239.50
  5. Step 5: Solve for x
    x = 18,279,956,239.50/156,827.04
  6. Step 6: Final answer
    x = 116,561.25

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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.