Home / 213,154.47-294,153.19-117,661.17

Finding the Fourth Proportional to 213,154.47, 294,153.19 and 117,661.17

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Solution

The fourth proportional to 213,154.47, 294,153.19 and 117,661.17 is: 162,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,154.47 : 294,153.19 = 117,661.17 : x
  2. Step 2: Convert to fraction form
    213,154.47/294,153.19 = 117,661.17/x
  3. Step 3: Cross multiply
    213,154.47x = 294,153.19 × 117,661.17
  4. Step 4: Simplify right side
    213,154.47x = 34,610,409,303.55
  5. Step 5: Solve for x
    x = 34,610,409,303.55/213,154.47
  6. Step 6: Final answer
    x = 162,372.43

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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.