Home / 124,323.80-186,266.10-120,212.60

Finding the Fourth Proportional to 124,323.80, 186,266.10 and 120,212.60

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Solution

The fourth proportional to 124,323.80, 186,266.10 and 120,212.60 is: 180,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,323.80 : 186,266.10 = 120,212.60 : x
  2. Step 2: Convert to fraction form
    124,323.80/186,266.10 = 120,212.60/x
  3. Step 3: Cross multiply
    124,323.80x = 186,266.10 × 120,212.60
  4. Step 4: Simplify right side
    124,323.80x = 22,391,532,172.86
  5. Step 5: Solve for x
    x = 22,391,532,172.86/124,323.80
  6. Step 6: Final answer
    x = 180,106.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.