Home / 166,073.36-229,078.95-118,342.13

Finding the Fourth Proportional to 166,073.36, 229,078.95 and 118,342.13

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Solution

The fourth proportional to 166,073.36, 229,078.95 and 118,342.13 is: 163,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,073.36 : 229,078.95 = 118,342.13 : x
  2. Step 2: Convert to fraction form
    166,073.36/229,078.95 = 118,342.13/x
  3. Step 3: Cross multiply
    166,073.36x = 229,078.95 × 118,342.13
  4. Step 4: Simplify right side
    166,073.36x = 27,109,690,881.16
  5. Step 5: Solve for x
    x = 27,109,690,881.16/166,073.36
  6. Step 6: Final answer
    x = 163,239.25

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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.