Home / 123,328.71-170,193.33-66,740.13

Finding the Fourth Proportional to 123,328.71, 170,193.33 and 66,740.13

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Solution

The fourth proportional to 123,328.71, 170,193.33 and 66,740.13 is: 92,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,328.71 : 170,193.33 = 66,740.13 : x
  2. Step 2: Convert to fraction form
    123,328.71/170,193.33 = 66,740.13/x
  3. Step 3: Cross multiply
    123,328.71x = 170,193.33 × 66,740.13
  4. Step 4: Simplify right side
    123,328.71x = 11,358,724,969.33
  5. Step 5: Solve for x
    x = 11,358,724,969.33/123,328.71
  6. Step 6: Final answer
    x = 92,101.22

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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.