Home / 288,575.04-433,017.30-120,211.68

Finding the Fourth Proportional to 288,575.04, 433,017.30 and 120,211.68

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Solution

The fourth proportional to 288,575.04, 433,017.30 and 120,211.68 is: 180,381.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,575.04 : 433,017.30 = 120,211.68 : x
  2. Step 2: Convert to fraction form
    288,575.04/433,017.30 = 120,211.68/x
  3. Step 3: Cross multiply
    288,575.04x = 433,017.30 × 120,211.68
  4. Step 4: Simplify right side
    288,575.04x = 52,053,737,102.06
  5. Step 5: Solve for x
    x = 52,053,737,102.06/288,575.04
  6. Step 6: Final answer
    x = 180,381.98

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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.