Home / 147,840.30-221,760.45-146,285.10

Finding the Fourth Proportional to 147,840.30, 221,760.45 and 146,285.10

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Solution

The fourth proportional to 147,840.30, 221,760.45 and 146,285.10 is: 219,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,840.30 : 221,760.45 = 146,285.10 : x
  2. Step 2: Convert to fraction form
    147,840.30/221,760.45 = 146,285.10/x
  3. Step 3: Cross multiply
    147,840.30x = 221,760.45 × 146,285.10
  4. Step 4: Simplify right side
    147,840.30x = 32,440,249,604.30
  5. Step 5: Solve for x
    x = 32,440,249,604.30/147,840.30
  6. Step 6: Final answer
    x = 219,427.65

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1.5x scale

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.