Home / 194,999.40-292,499.10-124,140.60

Finding the Fourth Proportional to 194,999.40, 292,499.10 and 124,140.60

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Solution

The fourth proportional to 194,999.40, 292,499.10 and 124,140.60 is: 186,210.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,999.40 : 292,499.10 = 124,140.60 : x
  2. Step 2: Convert to fraction form
    194,999.40/292,499.10 = 124,140.60/x
  3. Step 3: Cross multiply
    194,999.40x = 292,499.10 × 124,140.60
  4. Step 4: Simplify right side
    194,999.40x = 36,311,013,773.46
  5. Step 5: Solve for x
    x = 36,311,013,773.46/194,999.40
  6. Step 6: Final answer
    x = 186,210.90

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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.