Home / 369,233.37-553,854.47-102,977.69

Finding the Fourth Proportional to 369,233.37, 553,854.47 and 102,977.69

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Solution

The fourth proportional to 369,233.37, 553,854.47 and 102,977.69 is: 154,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,233.37 : 553,854.47 = 102,977.69 : x
  2. Step 2: Convert to fraction form
    369,233.37/553,854.47 = 102,977.69/x
  3. Step 3: Cross multiply
    369,233.37x = 553,854.47 × 102,977.69
  4. Step 4: Simplify right side
    369,233.37x = 57,034,650,632.61
  5. Step 5: Solve for x
    x = 57,034,650,632.61/369,233.37
  6. Step 6: Final answer
    x = 154,467.76

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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.