Home / 198,428.23-273,725.98-125,702.83

Finding the Fourth Proportional to 198,428.23, 273,725.98 and 125,702.83

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Solution

The fourth proportional to 198,428.23, 273,725.98 and 125,702.83 is: 173,403.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,428.23 : 273,725.98 = 125,702.83 : x
  2. Step 2: Convert to fraction form
    198,428.23/273,725.98 = 125,702.83/x
  3. Step 3: Cross multiply
    198,428.23x = 273,725.98 × 125,702.83
  4. Step 4: Simplify right side
    198,428.23x = 34,408,130,330.52
  5. Step 5: Solve for x
    x = 34,408,130,330.52/198,428.23
  6. Step 6: Final answer
    x = 173,403.40

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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.