Home / 291,931.60-437,897.40-192,204.40

Finding the Fourth Proportional to 291,931.60, 437,897.40 and 192,204.40

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Solution

The fourth proportional to 291,931.60, 437,897.40 and 192,204.40 is: 288,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,931.60 : 437,897.40 = 192,204.40 : x
  2. Step 2: Convert to fraction form
    291,931.60/437,897.40 = 192,204.40/x
  3. Step 3: Cross multiply
    291,931.60x = 437,897.40 × 192,204.40
  4. Step 4: Simplify right side
    291,931.60x = 84,165,807,028.56
  5. Step 5: Solve for x
    x = 84,165,807,028.56/291,931.60
  6. Step 6: Final answer
    x = 288,306.60

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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.