Home / 213,147.04-294,141.27-117,653.71

Finding the Fourth Proportional to 213,147.04, 294,141.27 and 117,653.71

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Solution

The fourth proportional to 213,147.04, 294,141.27 and 117,653.71 is: 162,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,147.04 : 294,141.27 = 117,653.71 : x
  2. Step 2: Convert to fraction form
    213,147.04/294,141.27 = 117,653.71/x
  3. Step 3: Cross multiply
    213,147.04x = 294,141.27 × 117,653.71
  4. Step 4: Simplify right side
    213,147.04x = 34,606,811,679.61
  5. Step 5: Solve for x
    x = 34,606,811,679.61/213,147.04
  6. Step 6: Final answer
    x = 162,361.21

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1.5x scale

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.