Home / 155,297.55-232,995.47-55,455.51

Finding the Fourth Proportional to 155,297.55, 232,995.47 and 55,455.51

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Solution

The fourth proportional to 155,297.55, 232,995.47 and 55,455.51 is: 83,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,297.55 : 232,995.47 = 55,455.51 : x
  2. Step 2: Convert to fraction form
    155,297.55/232,995.47 = 55,455.51/x
  3. Step 3: Cross multiply
    155,297.55x = 232,995.47 × 55,455.51
  4. Step 4: Simplify right side
    155,297.55x = 12,920,882,339.26
  5. Step 5: Solve for x
    x = 12,920,882,339.26/155,297.55
  6. Step 6: Final answer
    x = 83,200.81

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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.