Home / 147,150.02-203,063.19-85,907.94

Finding the Fourth Proportional to 147,150.02, 203,063.19 and 85,907.94

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Solution

The fourth proportional to 147,150.02, 203,063.19 and 85,907.94 is: 118,550.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,150.02 : 203,063.19 = 85,907.94 : x
  2. Step 2: Convert to fraction form
    147,150.02/203,063.19 = 85,907.94/x
  3. Step 3: Cross multiply
    147,150.02x = 203,063.19 × 85,907.94
  4. Step 4: Simplify right side
    147,150.02x = 17,444,740,342.73
  5. Step 5: Solve for x
    x = 17,444,740,342.73/147,150.02
  6. Step 6: Final answer
    x = 118,550.72

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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.