Home / 114,023.20-170,775.60-72,032.80

Finding the Fourth Proportional to 114,023.20, 170,775.60 and 72,032.80

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Solution

The fourth proportional to 114,023.20, 170,775.60 and 72,032.80 is: 107,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,023.20 : 170,775.60 = 72,032.80 : x
  2. Step 2: Convert to fraction form
    114,023.20/170,775.60 = 72,032.80/x
  3. Step 3: Cross multiply
    114,023.20x = 170,775.60 × 72,032.80
  4. Step 4: Simplify right side
    114,023.20x = 12,301,444,639.68
  5. Step 5: Solve for x
    x = 12,301,444,639.68/114,023.20
  6. Step 6: Final answer
    x = 107,885.45

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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.