Home / 236,803.20-355,406.40-96,662.40

Finding the Fourth Proportional to 236,803.20, 355,406.40 and 96,662.40

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Solution

The fourth proportional to 236,803.20, 355,406.40 and 96,662.40 is: 145,075.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,803.20 : 355,406.40 = 96,662.40 : x
  2. Step 2: Convert to fraction form
    236,803.20/355,406.40 = 96,662.40/x
  3. Step 3: Cross multiply
    236,803.20x = 355,406.40 × 96,662.40
  4. Step 4: Simplify right side
    236,803.20x = 34,354,435,599.36
  5. Step 5: Solve for x
    x = 34,354,435,599.36/236,803.20
  6. Step 6: Final answer
    x = 145,075.89

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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.