Home / 147,742.32-221,581.08-42,538.44

Finding the Fourth Proportional to 147,742.32, 221,581.08 and 42,538.44

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Solution

The fourth proportional to 147,742.32, 221,581.08 and 42,538.44 is: 63,798.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,742.32 : 221,581.08 = 42,538.44 : x
  2. Step 2: Convert to fraction form
    147,742.32/221,581.08 = 42,538.44/x
  3. Step 3: Cross multiply
    147,742.32x = 221,581.08 × 42,538.44
  4. Step 4: Simplify right side
    147,742.32x = 9,425,713,476.72
  5. Step 5: Solve for x
    x = 9,425,713,476.72/147,742.32
  6. Step 6: Final answer
    x = 63,798.33

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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.