Home / 369,022.44-553,534.20-102,783.72

Finding the Fourth Proportional to 369,022.44, 553,534.20 and 102,783.72

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Solution

The fourth proportional to 369,022.44, 553,534.20 and 102,783.72 is: 154,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,022.44 : 553,534.20 = 102,783.72 : x
  2. Step 2: Convert to fraction form
    369,022.44/553,534.20 = 102,783.72/x
  3. Step 3: Cross multiply
    369,022.44x = 553,534.20 × 102,783.72
  4. Step 4: Simplify right side
    369,022.44x = 56,894,304,223.22
  5. Step 5: Solve for x
    x = 56,894,304,223.22/369,022.44
  6. Step 6: Final answer
    x = 154,175.73

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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.