Home / 369,333.06-553,901.04-103,046.78

Finding the Fourth Proportional to 369,333.06, 553,901.04 and 103,046.78

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Solution

The fourth proportional to 369,333.06, 553,901.04 and 103,046.78 is: 154,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,333.06 : 553,901.04 = 103,046.78 : x
  2. Step 2: Convert to fraction form
    369,333.06/553,901.04 = 103,046.78/x
  3. Step 3: Cross multiply
    369,333.06x = 553,901.04 × 103,046.78
  4. Step 4: Simplify right side
    369,333.06x = 57,077,715,841.15
  5. Step 5: Solve for x
    x = 57,077,715,841.15/369,333.06
  6. Step 6: Final answer
    x = 154,542.67

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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.