Home / 166,243.20-229,412.52-93,646.32

Finding the Fourth Proportional to 166,243.20, 229,412.52 and 93,646.32

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Solution

The fourth proportional to 166,243.20, 229,412.52 and 93,646.32 is: 129,230.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,243.20 : 229,412.52 = 93,646.32 : x
  2. Step 2: Convert to fraction form
    166,243.20/229,412.52 = 93,646.32/x
  3. Step 3: Cross multiply
    166,243.20x = 229,412.52 × 93,646.32
  4. Step 4: Simplify right side
    166,243.20x = 21,483,638,259.93
  5. Step 5: Solve for x
    x = 21,483,638,259.93/166,243.20
  6. Step 6: Final answer
    x = 129,230.18

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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.