Home / 156,572.16-234,894.06-67,840.44

Finding the Fourth Proportional to 156,572.16, 234,894.06 and 67,840.44

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Solution

The fourth proportional to 156,572.16, 234,894.06 and 67,840.44 is: 101,776.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,572.16 : 234,894.06 = 67,840.44 : x
  2. Step 2: Convert to fraction form
    156,572.16/234,894.06 = 67,840.44/x
  3. Step 3: Cross multiply
    156,572.16x = 234,894.06 × 67,840.44
  4. Step 4: Simplify right side
    156,572.16x = 15,935,316,383.79
  5. Step 5: Solve for x
    x = 15,935,316,383.79/156,572.16
  6. Step 6: Final answer
    x = 101,776.18

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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.