Home / 251,886.18-347,597.93-137,166.18

Finding the Fourth Proportional to 251,886.18, 347,597.93 and 137,166.18

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Solution

The fourth proportional to 251,886.18, 347,597.93 and 137,166.18 is: 189,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,886.18 : 347,597.93 = 137,166.18 : x
  2. Step 2: Convert to fraction form
    251,886.18/347,597.93 = 137,166.18/x
  3. Step 3: Cross multiply
    251,886.18x = 347,597.93 × 137,166.18
  4. Step 4: Simplify right side
    251,886.18x = 47,678,679,548.18
  5. Step 5: Solve for x
    x = 47,678,679,548.18/251,886.18
  6. Step 6: Final answer
    x = 189,286.60

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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.