Home / 156,547.22-234,816.17-135,424.89

Finding the Fourth Proportional to 156,547.22, 234,816.17 and 135,424.89

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Solution

The fourth proportional to 156,547.22, 234,816.17 and 135,424.89 is: 203,133.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,547.22 : 234,816.17 = 135,424.89 : x
  2. Step 2: Convert to fraction form
    156,547.22/234,816.17 = 135,424.89/x
  3. Step 3: Cross multiply
    156,547.22x = 234,816.17 × 135,424.89
  4. Step 4: Simplify right side
    156,547.22x = 31,799,953,315.35
  5. Step 5: Solve for x
    x = 31,799,953,315.35/156,547.22
  6. Step 6: Final answer
    x = 203,133.31

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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.