Home / 192,688.40-288,352.20-167,999.60

Finding the Fourth Proportional to 192,688.40, 288,352.20 and 167,999.60

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Solution

The fourth proportional to 192,688.40, 288,352.20 and 167,999.60 is: 251,406.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,688.40 : 288,352.20 = 167,999.60 : x
  2. Step 2: Convert to fraction form
    192,688.40/288,352.20 = 167,999.60/x
  3. Step 3: Cross multiply
    192,688.40x = 288,352.20 × 167,999.60
  4. Step 4: Simplify right side
    192,688.40x = 48,443,054,259.12
  5. Step 5: Solve for x
    x = 48,443,054,259.12/192,688.40
  6. Step 6: Final answer
    x = 251,406.18

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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.