Home / 156,751.11-235,429.20-134,312.49

Finding the Fourth Proportional to 156,751.11, 235,429.20 and 134,312.49

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Solution

The fourth proportional to 156,751.11, 235,429.20 and 134,312.49 is: 201,727.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,751.11 : 235,429.20 = 134,312.49 : x
  2. Step 2: Convert to fraction form
    156,751.11/235,429.20 = 134,312.49/x
  3. Step 3: Cross multiply
    156,751.11x = 235,429.20 × 134,312.49
  4. Step 4: Simplify right side
    156,751.11x = 31,621,082,070.71
  5. Step 5: Solve for x
    x = 31,621,082,070.71/156,751.11
  6. Step 6: Final answer
    x = 201,727.96

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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.