Home / 147,628.20-221,442.30-58,895.40

Finding the Fourth Proportional to 147,628.20, 221,442.30 and 58,895.40

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Solution

The fourth proportional to 147,628.20, 221,442.30 and 58,895.40 is: 88,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,628.20 : 221,442.30 = 58,895.40 : x
  2. Step 2: Convert to fraction form
    147,628.20/221,442.30 = 58,895.40/x
  3. Step 3: Cross multiply
    147,628.20x = 221,442.30 × 58,895.40
  4. Step 4: Simplify right side
    147,628.20x = 13,041,932,835.42
  5. Step 5: Solve for x
    x = 13,041,932,835.42/147,628.20
  6. Step 6: Final answer
    x = 88,343.10

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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.