Home / 166,653.12-230,088.64-148,717.28

Finding the Fourth Proportional to 166,653.12, 230,088.64 and 148,717.28

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Solution

The fourth proportional to 166,653.12, 230,088.64 and 148,717.28 is: 205,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,653.12 : 230,088.64 = 148,717.28 : x
  2. Step 2: Convert to fraction form
    166,653.12/230,088.64 = 148,717.28/x
  3. Step 3: Cross multiply
    166,653.12x = 230,088.64 × 148,717.28
  4. Step 4: Simplify right side
    166,653.12x = 34,218,156,699.70
  5. Step 5: Solve for x
    x = 34,218,156,699.70/166,653.12
  6. Step 6: Final answer
    x = 205,325.63

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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.