Home / 455,961.11-683,955.54-156,437.46

Finding the Fourth Proportional to 455,961.11, 683,955.54 and 156,437.46

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Solution

The fourth proportional to 455,961.11, 683,955.54 and 156,437.46 is: 234,660.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,961.11 : 683,955.54 = 156,437.46 : x
  2. Step 2: Convert to fraction form
    455,961.11/683,955.54 = 156,437.46/x
  3. Step 3: Cross multiply
    455,961.11x = 683,955.54 × 156,437.46
  4. Step 4: Simplify right side
    455,961.11x = 106,996,267,430.53
  5. Step 5: Solve for x
    x = 106,996,267,430.53/455,961.11
  6. Step 6: Final answer
    x = 234,660.95

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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.