Home / 213,148.04-294,142.64-117,654.72

Finding the Fourth Proportional to 213,148.04, 294,142.64 and 117,654.72

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Solution

The fourth proportional to 213,148.04, 294,142.64 and 117,654.72 is: 162,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,148.04 : 294,142.64 = 117,654.72 : x
  2. Step 2: Convert to fraction form
    213,148.04/294,142.64 = 117,654.72/x
  3. Step 3: Cross multiply
    213,148.04x = 294,142.64 × 117,654.72
  4. Step 4: Simplify right side
    213,148.04x = 34,607,269,949.26
  5. Step 5: Solve for x
    x = 34,607,269,949.26/213,148.04
  6. Step 6: Final answer
    x = 162,362.60

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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.