Home / 166,088.94-229,203.45-90,639.06

Finding the Fourth Proportional to 166,088.94, 229,203.45 and 90,639.06

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Solution

The fourth proportional to 166,088.94, 229,203.45 and 90,639.06 is: 125,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,088.94 : 229,203.45 = 90,639.06 : x
  2. Step 2: Convert to fraction form
    166,088.94/229,203.45 = 90,639.06/x
  3. Step 3: Cross multiply
    166,088.94x = 229,203.45 × 90,639.06
  4. Step 4: Simplify right side
    166,088.94x = 20,774,785,256.76
  5. Step 5: Solve for x
    x = 20,774,785,256.76/166,088.94
  6. Step 6: Final answer
    x = 125,082.29

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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.