Home / 147,742.83-221,581.80-42,538.95

Finding the Fourth Proportional to 147,742.83, 221,581.80 and 42,538.95

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Solution

The fourth proportional to 147,742.83, 221,581.80 and 42,538.95 is: 63,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,742.83 : 221,581.80 = 42,538.95 : x
  2. Step 2: Convert to fraction form
    147,742.83/221,581.80 = 42,538.95/x
  3. Step 3: Cross multiply
    147,742.83x = 221,581.80 × 42,538.95
  4. Step 4: Simplify right side
    147,742.83x = 9,425,857,111.11
  5. Step 5: Solve for x
    x = 9,425,857,111.11/147,742.83
  6. Step 6: Final answer
    x = 63,799.08

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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.