Home / 192,009.40-288,014.10-173,638.60

Finding the Fourth Proportional to 192,009.40, 288,014.10 and 173,638.60

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Solution

The fourth proportional to 192,009.40, 288,014.10 and 173,638.60 is: 260,457.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,009.40 : 288,014.10 = 173,638.60 : x
  2. Step 2: Convert to fraction form
    192,009.40/288,014.10 = 173,638.60/x
  3. Step 3: Cross multiply
    192,009.40x = 288,014.10 × 173,638.60
  4. Step 4: Simplify right side
    192,009.40x = 50,010,365,104.26
  5. Step 5: Solve for x
    x = 50,010,365,104.26/192,009.40
  6. Step 6: Final answer
    x = 260,457.90

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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.