Home / 156,547.20-234,820.80-73,603.20

Finding the Fourth Proportional to 156,547.20, 234,820.80 and 73,603.20

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Solution

The fourth proportional to 156,547.20, 234,820.80 and 73,603.20 is: 110,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,547.20 : 234,820.80 = 73,603.20 : x
  2. Step 2: Convert to fraction form
    156,547.20/234,820.80 = 73,603.20/x
  3. Step 3: Cross multiply
    156,547.20x = 234,820.80 × 73,603.20
  4. Step 4: Simplify right side
    156,547.20x = 17,283,562,306.56
  5. Step 5: Solve for x
    x = 17,283,562,306.56/156,547.20
  6. Step 6: Final answer
    x = 110,404.80

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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.