Home / 165,220.80-247,831.20-162,596.40

Finding the Fourth Proportional to 165,220.80, 247,831.20 and 162,596.40

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Solution

The fourth proportional to 165,220.80, 247,831.20 and 162,596.40 is: 243,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,220.80 : 247,831.20 = 162,596.40 : x
  2. Step 2: Convert to fraction form
    165,220.80/247,831.20 = 162,596.40/x
  3. Step 3: Cross multiply
    165,220.80x = 247,831.20 × 162,596.40
  4. Step 4: Simplify right side
    165,220.80x = 40,296,460,927.68
  5. Step 5: Solve for x
    x = 40,296,460,927.68/165,220.80
  6. Step 6: Final answer
    x = 243,894.60

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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.