Home / 156,688.43-234,871.76-61,880.18

Finding the Fourth Proportional to 156,688.43, 234,871.76 and 61,880.18

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Solution

The fourth proportional to 156,688.43, 234,871.76 and 61,880.18 is: 92,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,688.43 : 234,871.76 = 61,880.18 : x
  2. Step 2: Convert to fraction form
    156,688.43/234,871.76 = 61,880.18/x
  3. Step 3: Cross multiply
    156,688.43x = 234,871.76 × 61,880.18
  4. Step 4: Simplify right side
    156,688.43x = 14,533,905,301.96
  5. Step 5: Solve for x
    x = 14,533,905,301.96/156,688.43
  6. Step 6: Final answer
    x = 92,756.73

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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.