Home / 369,107.40-553,632.30-144,424.20

Finding the Fourth Proportional to 369,107.40, 553,632.30 and 144,424.20

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Solution

The fourth proportional to 369,107.40, 553,632.30 and 144,424.20 is: 216,625.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,107.40 : 553,632.30 = 144,424.20 : x
  2. Step 2: Convert to fraction form
    369,107.40/553,632.30 = 144,424.20/x
  3. Step 3: Cross multiply
    369,107.40x = 553,632.30 × 144,424.20
  4. Step 4: Simplify right side
    369,107.40x = 79,957,902,021.66
  5. Step 5: Solve for x
    x = 79,957,902,021.66/369,107.40
  6. Step 6: Final answer
    x = 216,625.03

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1.5x scale

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.