Home / 190,352.80-262,588.60-129,078.27

Finding the Fourth Proportional to 190,352.80, 262,588.60 and 129,078.27

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Solution

The fourth proportional to 190,352.80, 262,588.60 and 129,078.27 is: 178,061.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,352.80 : 262,588.60 = 129,078.27 : x
  2. Step 2: Convert to fraction form
    190,352.80/262,588.60 = 129,078.27/x
  3. Step 3: Cross multiply
    190,352.80x = 262,588.60 × 129,078.27
  4. Step 4: Simplify right side
    190,352.80x = 33,894,482,740.34
  5. Step 5: Solve for x
    x = 33,894,482,740.34/190,352.80
  6. Step 6: Final answer
    x = 178,061.38

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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.