Home / 123,295.34-170,148.66-66,707.84

Finding the Fourth Proportional to 123,295.34, 170,148.66 and 66,707.84

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Solution

The fourth proportional to 123,295.34, 170,148.66 and 66,707.84 is: 92,057.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,295.34 : 170,148.66 = 66,707.84 : x
  2. Step 2: Convert to fraction form
    123,295.34/170,148.66 = 66,707.84/x
  3. Step 3: Cross multiply
    123,295.34x = 170,148.66 × 66,707.84
  4. Step 4: Simplify right side
    123,295.34x = 11,350,249,587.49
  5. Step 5: Solve for x
    x = 11,350,249,587.49/123,295.34
  6. Step 6: Final answer
    x = 92,057.41

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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.