Home / 166,756.75-230,124.03-90,275.81

Finding the Fourth Proportional to 166,756.75, 230,124.03 and 90,275.81

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Solution

The fourth proportional to 166,756.75, 230,124.03 and 90,275.81 is: 124,580.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,756.75 : 230,124.03 = 90,275.81 : x
  2. Step 2: Convert to fraction form
    166,756.75/230,124.03 = 90,275.81/x
  3. Step 3: Cross multiply
    166,756.75x = 230,124.03 × 90,275.81
  4. Step 4: Simplify right side
    166,756.75x = 20,774,633,208.71
  5. Step 5: Solve for x
    x = 20,774,633,208.71/166,756.75
  6. Step 6: Final answer
    x = 124,580.46

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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.