Home / 301,831.73-416,436.95-180,928.90

Finding the Fourth Proportional to 301,831.73, 416,436.95 and 180,928.90

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Solution

The fourth proportional to 301,831.73, 416,436.95 and 180,928.90 is: 249,627.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,831.73 : 416,436.95 = 180,928.90 : x
  2. Step 2: Convert to fraction form
    301,831.73/416,436.95 = 180,928.90/x
  3. Step 3: Cross multiply
    301,831.73x = 416,436.95 × 180,928.90
  4. Step 4: Simplify right side
    301,831.73x = 75,345,479,823.61
  5. Step 5: Solve for x
    x = 75,345,479,823.61/301,831.73
  6. Step 6: Final answer
    x = 249,627.43

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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.