Home / 237,779.75-328,136.06-137,177.75

Finding the Fourth Proportional to 237,779.75, 328,136.06 and 137,177.75

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Solution

The fourth proportional to 237,779.75, 328,136.06 and 137,177.75 is: 189,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,779.75 : 328,136.06 = 137,177.75 : x
  2. Step 2: Convert to fraction form
    237,779.75/328,136.06 = 137,177.75/x
  3. Step 3: Cross multiply
    237,779.75x = 328,136.06 × 137,177.75
  4. Step 4: Simplify right side
    237,779.75x = 45,012,966,404.67
  5. Step 5: Solve for x
    x = 45,012,966,404.67/237,779.75
  6. Step 6: Final answer
    x = 189,305.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.