Home / 156,744.21-216,373.19-105,825.88

Finding the Fourth Proportional to 156,744.21, 216,373.19 and 105,825.88

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Solution

The fourth proportional to 156,744.21, 216,373.19 and 105,825.88 is: 146,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,744.21 : 216,373.19 = 105,825.88 : x
  2. Step 2: Convert to fraction form
    156,744.21/216,373.19 = 105,825.88/x
  3. Step 3: Cross multiply
    156,744.21x = 216,373.19 × 105,825.88
  4. Step 4: Simplify right side
    156,744.21x = 22,897,883,240.16
  5. Step 5: Solve for x
    x = 22,897,883,240.16/156,744.21
  6. Step 6: Final answer
    x = 146,084.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.