Home / 369,050.40-553,546.80-144,367.20

Finding the Fourth Proportional to 369,050.40, 553,546.80 and 144,367.20

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Solution

The fourth proportional to 369,050.40, 553,546.80 and 144,367.20 is: 216,539.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,050.40 : 553,546.80 = 144,367.20 : x
  2. Step 2: Convert to fraction form
    369,050.40/553,546.80 = 144,367.20/x
  3. Step 3: Cross multiply
    369,050.40x = 553,546.80 × 144,367.20
  4. Step 4: Simplify right side
    369,050.40x = 79,914,001,584.96
  5. Step 5: Solve for x
    x = 79,914,001,584.96/369,050.40
  6. Step 6: Final answer
    x = 216,539.53

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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.