Home / 231,621.40-346,848.90-152,306.20

Finding the Fourth Proportional to 231,621.40, 346,848.90 and 152,306.20

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Solution

The fourth proportional to 231,621.40, 346,848.90 and 152,306.20 is: 228,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,621.40 : 346,848.90 = 152,306.20 : x
  2. Step 2: Convert to fraction form
    231,621.40/346,848.90 = 152,306.20/x
  3. Step 3: Cross multiply
    231,621.40x = 346,848.90 × 152,306.20
  4. Step 4: Simplify right side
    231,621.40x = 52,827,237,933.18
  5. Step 5: Solve for x
    x = 52,827,237,933.18/231,621.40
  6. Step 6: Final answer
    x = 228,075.81

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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.