Home / 147,519.45-221,201.42-64,316.25

Finding the Fourth Proportional to 147,519.45, 221,201.42 and 64,316.25

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Solution

The fourth proportional to 147,519.45, 221,201.42 and 64,316.25 is: 96,440.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,519.45 : 221,201.42 = 64,316.25 : x
  2. Step 2: Convert to fraction form
    147,519.45/221,201.42 = 64,316.25/x
  3. Step 3: Cross multiply
    147,519.45x = 221,201.42 × 64,316.25
  4. Step 4: Simplify right side
    147,519.45x = 14,226,845,507.49
  5. Step 5: Solve for x
    x = 14,226,845,507.49/147,519.45
  6. Step 6: Final answer
    x = 96,440.47

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1.5x scale

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.