Home / 291,917.40-437,985.45-114,551.70

Finding the Fourth Proportional to 291,917.40, 437,985.45 and 114,551.70

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Solution

The fourth proportional to 291,917.40, 437,985.45 and 114,551.70 is: 171,870.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,917.40 : 437,985.45 = 114,551.70 : x
  2. Step 2: Convert to fraction form
    291,917.40/437,985.45 = 114,551.70/x
  3. Step 3: Cross multiply
    291,917.40x = 437,985.45 × 114,551.70
  4. Step 4: Simplify right side
    291,917.40x = 50,171,977,872.77
  5. Step 5: Solve for x
    x = 50,171,977,872.77/291,917.40
  6. Step 6: Final answer
    x = 171,870.46

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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.