Home / 147,538.90-221,254.08-52,743.46

Finding the Fourth Proportional to 147,538.90, 221,254.08 and 52,743.46

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Solution

The fourth proportional to 147,538.90, 221,254.08 and 52,743.46 is: 79,095.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,538.90 : 221,254.08 = 52,743.46 : x
  2. Step 2: Convert to fraction form
    147,538.90/221,254.08 = 52,743.46/x
  3. Step 3: Cross multiply
    147,538.90x = 221,254.08 × 52,743.46
  4. Step 4: Simplify right side
    147,538.90x = 11,669,705,718.32
  5. Step 5: Solve for x
    x = 11,669,705,718.32/147,538.90
  6. Step 6: Final answer
    x = 79,095.79

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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.