Home / 282,977.41-390,507.06-160,493.17

Finding the Fourth Proportional to 282,977.41, 390,507.06 and 160,493.17

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Solution

The fourth proportional to 282,977.41, 390,507.06 and 160,493.17 is: 221,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,977.41 : 390,507.06 = 160,493.17 : x
  2. Step 2: Convert to fraction form
    282,977.41/390,507.06 = 160,493.17/x
  3. Step 3: Cross multiply
    282,977.41x = 390,507.06 × 160,493.17
  4. Step 4: Simplify right side
    282,977.41x = 62,673,715,966.78
  5. Step 5: Solve for x
    x = 62,673,715,966.78/282,977.41
  6. Step 6: Final answer
    x = 221,479.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.