Home / 236,777.10-355,165.65-70,565.10

Finding the Fourth Proportional to 236,777.10, 355,165.65 and 70,565.10

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Solution

The fourth proportional to 236,777.10, 355,165.65 and 70,565.10 is: 105,847.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,777.10 : 355,165.65 = 70,565.10 : x
  2. Step 2: Convert to fraction form
    236,777.10/355,165.65 = 70,565.10/x
  3. Step 3: Cross multiply
    236,777.10x = 355,165.65 × 70,565.10
  4. Step 4: Simplify right side
    236,777.10x = 25,062,299,608.82
  5. Step 5: Solve for x
    x = 25,062,299,608.82/236,777.10
  6. Step 6: Final answer
    x = 105,847.65

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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.