Home / 144,848.20-217,272.30-70,025.80

Finding the Fourth Proportional to 144,848.20, 217,272.30 and 70,025.80

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Solution

The fourth proportional to 144,848.20, 217,272.30 and 70,025.80 is: 105,038.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,848.20 : 217,272.30 = 70,025.80 : x
  2. Step 2: Convert to fraction form
    144,848.20/217,272.30 = 70,025.80/x
  3. Step 3: Cross multiply
    144,848.20x = 217,272.30 × 70,025.80
  4. Step 4: Simplify right side
    144,848.20x = 15,214,666,625.34
  5. Step 5: Solve for x
    x = 15,214,666,625.34/144,848.20
  6. Step 6: Final answer
    x = 105,038.70

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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.