Home / 251,813.58-347,506.25-137,095.69

Finding the Fourth Proportional to 251,813.58, 347,506.25 and 137,095.69

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Solution

The fourth proportional to 251,813.58, 347,506.25 and 137,095.69 is: 189,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,813.58 : 347,506.25 = 137,095.69 : x
  2. Step 2: Convert to fraction form
    251,813.58/347,506.25 = 137,095.69/x
  3. Step 3: Cross multiply
    251,813.58x = 347,506.25 × 137,095.69
  4. Step 4: Simplify right side
    251,813.58x = 47,641,609,123.06
  5. Step 5: Solve for x
    x = 47,641,609,123.06/251,813.58
  6. Step 6: Final answer
    x = 189,193.96

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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.