Home / 156,045.10-233,739.60-129,801.10

Finding the Fourth Proportional to 156,045.10, 233,739.60 and 129,801.10

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Solution

The fourth proportional to 156,045.10, 233,739.60 and 129,801.10 is: 194,428.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,045.10 : 233,739.60 = 129,801.10 : x
  2. Step 2: Convert to fraction form
    156,045.10/233,739.60 = 129,801.10/x
  3. Step 3: Cross multiply
    156,045.10x = 233,739.60 × 129,801.10
  4. Step 4: Simplify right side
    156,045.10x = 30,339,657,193.56
  5. Step 5: Solve for x
    x = 30,339,657,193.56/156,045.10
  6. Step 6: Final answer
    x = 194,428.77

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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.