Home / 434,811.20-652,216.80-119,267.60

Finding the Fourth Proportional to 434,811.20, 652,216.80 and 119,267.60

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Solution

The fourth proportional to 434,811.20, 652,216.80 and 119,267.60 is: 178,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,811.20 : 652,216.80 = 119,267.60 : x
  2. Step 2: Convert to fraction form
    434,811.20/652,216.80 = 119,267.60/x
  3. Step 3: Cross multiply
    434,811.20x = 652,216.80 × 119,267.60
  4. Step 4: Simplify right side
    434,811.20x = 77,788,332,415.68
  5. Step 5: Solve for x
    x = 77,788,332,415.68/434,811.20
  6. Step 6: Final answer
    x = 178,901.40

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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.