Home / 236,831.40-355,247.10-205,036.20

Finding the Fourth Proportional to 236,831.40, 355,247.10 and 205,036.20

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Solution

The fourth proportional to 236,831.40, 355,247.10 and 205,036.20 is: 307,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,831.40 : 355,247.10 = 205,036.20 : x
  2. Step 2: Convert to fraction form
    236,831.40/355,247.10 = 205,036.20/x
  3. Step 3: Cross multiply
    236,831.40x = 355,247.10 × 205,036.20
  4. Step 4: Simplify right side
    236,831.40x = 72,838,515,445.02
  5. Step 5: Solve for x
    x = 72,838,515,445.02/236,831.40
  6. Step 6: Final answer
    x = 307,554.30

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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.