Home / 403,247.40-604,611.90-166,684.20

Finding the Fourth Proportional to 403,247.40, 604,611.90 and 166,684.20

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Solution

The fourth proportional to 403,247.40, 604,611.90 and 166,684.20 is: 249,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,247.40 : 604,611.90 = 166,684.20 : x
  2. Step 2: Convert to fraction form
    403,247.40/604,611.90 = 166,684.20/x
  3. Step 3: Cross multiply
    403,247.40x = 604,611.90 × 166,684.20
  4. Step 4: Simplify right side
    403,247.40x = 100,779,250,861.98
  5. Step 5: Solve for x
    x = 100,779,250,861.98/403,247.40
  6. Step 6: Final answer
    x = 249,919.16

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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.