Home / 147,835.88-221,841.30-54,407.24

Finding the Fourth Proportional to 147,835.88, 221,841.30 and 54,407.24

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Solution

The fourth proportional to 147,835.88, 221,841.30 and 54,407.24 is: 81,643.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,835.88 : 221,841.30 = 54,407.24 : x
  2. Step 2: Convert to fraction form
    147,835.88/221,841.30 = 54,407.24/x
  3. Step 3: Cross multiply
    147,835.88x = 221,841.30 × 54,407.24
  4. Step 4: Simplify right side
    147,835.88x = 12,069,772,851.01
  5. Step 5: Solve for x
    x = 12,069,772,851.01/147,835.88
  6. Step 6: Final answer
    x = 81,643.05

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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.