Home / 156,956.12-235,428.93-68,209.63

Finding the Fourth Proportional to 156,956.12, 235,428.93 and 68,209.63

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Solution

The fourth proportional to 156,956.12, 235,428.93 and 68,209.63 is: 102,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,956.12 : 235,428.93 = 68,209.63 : x
  2. Step 2: Convert to fraction form
    156,956.12/235,428.93 = 68,209.63/x
  3. Step 3: Cross multiply
    156,956.12x = 235,428.93 × 68,209.63
  4. Step 4: Simplify right side
    156,956.12x = 16,058,518,905.60
  5. Step 5: Solve for x
    x = 16,058,518,905.60/156,956.12
  6. Step 6: Final answer
    x = 102,312.15

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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.