Home / 136,566.02-188,461.86-76,140.44

Finding the Fourth Proportional to 136,566.02, 188,461.86 and 76,140.44

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Solution

The fourth proportional to 136,566.02, 188,461.86 and 76,140.44 is: 105,074.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,566.02 : 188,461.86 = 76,140.44 : x
  2. Step 2: Convert to fraction form
    136,566.02/188,461.86 = 76,140.44/x
  3. Step 3: Cross multiply
    136,566.02x = 188,461.86 × 76,140.44
  4. Step 4: Simplify right side
    136,566.02x = 14,349,568,943.62
  5. Step 5: Solve for x
    x = 14,349,568,943.62/136,566.02
  6. Step 6: Final answer
    x = 105,074.23

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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.