Home / 188,461.02-260,077.05-103,583.55

Finding the Fourth Proportional to 188,461.02, 260,077.05 and 103,583.55

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Solution

The fourth proportional to 188,461.02, 260,077.05 and 103,583.55 is: 142,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,461.02 : 260,077.05 = 103,583.55 : x
  2. Step 2: Convert to fraction form
    188,461.02/260,077.05 = 103,583.55/x
  3. Step 3: Cross multiply
    188,461.02x = 260,077.05 × 103,583.55
  4. Step 4: Simplify right side
    188,461.02x = 26,939,704,112.53
  5. Step 5: Solve for x
    x = 26,939,704,112.53/188,461.02
  6. Step 6: Final answer
    x = 142,945.76

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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.