Home / 156,818.04-234,997.40-77,774.42

Finding the Fourth Proportional to 156,818.04, 234,997.40 and 77,774.42

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Solution

The fourth proportional to 156,818.04, 234,997.40 and 77,774.42 is: 116,547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,818.04 : 234,997.40 = 77,774.42 : x
  2. Step 2: Convert to fraction form
    156,818.04/234,997.40 = 77,774.42/x
  3. Step 3: Cross multiply
    156,818.04x = 234,997.40 × 77,774.42
  4. Step 4: Simplify right side
    156,818.04x = 18,276,786,486.51
  5. Step 5: Solve for x
    x = 18,276,786,486.51/156,818.04
  6. Step 6: Final answer
    x = 116,547.73

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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.