Home / 389,096.58-583,907.40-152,409.72

Finding the Fourth Proportional to 389,096.58, 583,907.40 and 152,409.72

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Solution

The fourth proportional to 389,096.58, 583,907.40 and 152,409.72 is: 228,717.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,096.58 : 583,907.40 = 152,409.72 : x
  2. Step 2: Convert to fraction form
    389,096.58/583,907.40 = 152,409.72/x
  3. Step 3: Cross multiply
    389,096.58x = 583,907.40 × 152,409.72
  4. Step 4: Simplify right side
    389,096.58x = 88,993,163,339.93
  5. Step 5: Solve for x
    x = 88,993,163,339.93/389,096.58
  6. Step 6: Final answer
    x = 228,717.41

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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.