Home / 236,946.80-355,420.20-148,300.40

Finding the Fourth Proportional to 236,946.80, 355,420.20 and 148,300.40

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Solution

The fourth proportional to 236,946.80, 355,420.20 and 148,300.40 is: 222,450.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,946.80 : 355,420.20 = 148,300.40 : x
  2. Step 2: Convert to fraction form
    236,946.80/355,420.20 = 148,300.40/x
  3. Step 3: Cross multiply
    236,946.80x = 355,420.20 × 148,300.40
  4. Step 4: Simplify right side
    236,946.80x = 52,708,957,828.08
  5. Step 5: Solve for x
    x = 52,708,957,828.08/236,946.80
  6. Step 6: Final answer
    x = 222,450.60

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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.