Home / 303,831.02-419,280.95-167,870.90

Finding the Fourth Proportional to 303,831.02, 419,280.95 and 167,870.90

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Solution

The fourth proportional to 303,831.02, 419,280.95 and 167,870.90 is: 231,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,831.02 : 419,280.95 = 167,870.90 : x
  2. Step 2: Convert to fraction form
    303,831.02/419,280.95 = 167,870.90/x
  3. Step 3: Cross multiply
    303,831.02x = 419,280.95 × 167,870.90
  4. Step 4: Simplify right side
    303,831.02x = 70,385,067,493.60
  5. Step 5: Solve for x
    x = 70,385,067,493.60/303,831.02
  6. Step 6: Final answer
    x = 231,658.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.