Home / 147,570.61-221,398.44-72,713.26

Finding the Fourth Proportional to 147,570.61, 221,398.44 and 72,713.26

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Solution

The fourth proportional to 147,570.61, 221,398.44 and 72,713.26 is: 109,090.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,570.61 : 221,398.44 = 72,713.26 : x
  2. Step 2: Convert to fraction form
    147,570.61/221,398.44 = 72,713.26/x
  3. Step 3: Cross multiply
    147,570.61x = 221,398.44 × 72,713.26
  4. Step 4: Simplify right side
    147,570.61x = 16,098,602,331.31
  5. Step 5: Solve for x
    x = 16,098,602,331.31/147,570.61
  6. Step 6: Final answer
    x = 109,090.84

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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.