Home / 220,797.55-304,740.38-130,148.22

Finding the Fourth Proportional to 220,797.55, 304,740.38 and 130,148.22

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Solution

The fourth proportional to 220,797.55, 304,740.38 and 130,148.22 is: 179,627.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,797.55 : 304,740.38 = 130,148.22 : x
  2. Step 2: Convert to fraction form
    220,797.55/304,740.38 = 130,148.22/x
  3. Step 3: Cross multiply
    220,797.55x = 304,740.38 × 130,148.22
  4. Step 4: Simplify right side
    220,797.55x = 39,661,417,041.02
  5. Step 5: Solve for x
    x = 39,661,417,041.02/220,797.55
  6. Step 6: Final answer
    x = 179,627.98

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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.