Home / 147,775.64-203,930.61-84,113.45

Finding the Fourth Proportional to 147,775.64, 203,930.61 and 84,113.45

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Solution

The fourth proportional to 147,775.64, 203,930.61 and 84,113.45 is: 116,076.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,775.64 : 203,930.61 = 84,113.45 : x
  2. Step 2: Convert to fraction form
    147,775.64/203,930.61 = 84,113.45/x
  3. Step 3: Cross multiply
    147,775.64x = 203,930.61 × 84,113.45
  4. Step 4: Simplify right side
    147,775.64x = 17,153,306,148.05
  5. Step 5: Solve for x
    x = 17,153,306,148.05/147,775.64
  6. Step 6: Final answer
    x = 116,076.69

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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.