Home / 166,632.40-230,395.08-145,637.20

Finding the Fourth Proportional to 166,632.40, 230,395.08 and 145,637.20

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Solution

The fourth proportional to 166,632.40, 230,395.08 and 145,637.20 is: 201,365.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,632.40 : 230,395.08 = 145,637.20 : x
  2. Step 2: Convert to fraction form
    166,632.40/230,395.08 = 145,637.20/x
  3. Step 3: Cross multiply
    166,632.40x = 230,395.08 × 145,637.20
  4. Step 4: Simplify right side
    166,632.40x = 33,554,094,344.98
  5. Step 5: Solve for x
    x = 33,554,094,344.98/166,632.40
  6. Step 6: Final answer
    x = 201,365.97

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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.