Home / 219,623.10-329,434.65-151,971.90

Finding the Fourth Proportional to 219,623.10, 329,434.65 and 151,971.90

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Solution

The fourth proportional to 219,623.10, 329,434.65 and 151,971.90 is: 227,957.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,623.10 : 329,434.65 = 151,971.90 : x
  2. Step 2: Convert to fraction form
    219,623.10/329,434.65 = 151,971.90/x
  3. Step 3: Cross multiply
    219,623.10x = 329,434.65 × 151,971.90
  4. Step 4: Simplify right side
    219,623.10x = 50,064,809,686.34
  5. Step 5: Solve for x
    x = 50,064,809,686.34/219,623.10
  6. Step 6: Final answer
    x = 227,957.85

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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.