Home / 219,150.90-328,534.35-148,802.10

Finding the Fourth Proportional to 219,150.90, 328,534.35 and 148,802.10

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Solution

The fourth proportional to 219,150.90, 328,534.35 and 148,802.10 is: 223,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,150.90 : 328,534.35 = 148,802.10 : x
  2. Step 2: Convert to fraction form
    219,150.90/328,534.35 = 148,802.10/x
  3. Step 3: Cross multiply
    219,150.90x = 328,534.35 × 148,802.10
  4. Step 4: Simplify right side
    219,150.90x = 48,886,601,202.14
  5. Step 5: Solve for x
    x = 48,886,601,202.14/219,150.90
  6. Step 6: Final answer
    x = 223,072.78

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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.