Home / 166,123.05-229,549.68-118,293.36

Finding the Fourth Proportional to 166,123.05, 229,549.68 and 118,293.36

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Solution

The fourth proportional to 166,123.05, 229,549.68 and 118,293.36 is: 163,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,123.05 : 229,549.68 = 118,293.36 : x
  2. Step 2: Convert to fraction form
    166,123.05/229,549.68 = 118,293.36/x
  3. Step 3: Cross multiply
    166,123.05x = 229,549.68 × 118,293.36
  4. Step 4: Simplify right side
    166,123.05x = 27,154,201,194.91
  5. Step 5: Solve for x
    x = 27,154,201,194.91/166,123.05
  6. Step 6: Final answer
    x = 163,458.36

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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.