Home / 156,513.26-234,562.23-85,253.11

Finding the Fourth Proportional to 156,513.26, 234,562.23 and 85,253.11

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Solution

The fourth proportional to 156,513.26, 234,562.23 and 85,253.11 is: 127,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,513.26 : 234,562.23 = 85,253.11 : x
  2. Step 2: Convert to fraction form
    156,513.26/234,562.23 = 85,253.11/x
  3. Step 3: Cross multiply
    156,513.26x = 234,562.23 × 85,253.11
  4. Step 4: Simplify right side
    156,513.26x = 19,997,159,009.63
  5. Step 5: Solve for x
    x = 19,997,159,009.63/156,513.26
  6. Step 6: Final answer
    x = 127,766.55

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1.5x scale

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.