Home / 292,831.20-439,246.80-152,571.60

Finding the Fourth Proportional to 292,831.20, 439,246.80 and 152,571.60

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Solution

The fourth proportional to 292,831.20, 439,246.80 and 152,571.60 is: 228,857.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,831.20 : 439,246.80 = 152,571.60 : x
  2. Step 2: Convert to fraction form
    292,831.20/439,246.80 = 152,571.60/x
  3. Step 3: Cross multiply
    292,831.20x = 439,246.80 × 152,571.60
  4. Step 4: Simplify right side
    292,831.20x = 67,016,587,070.88
  5. Step 5: Solve for x
    x = 67,016,587,070.88/292,831.20
  6. Step 6: Final answer
    x = 228,857.40

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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.