Home / 203,176.19-304,784.34-70,038.92

Finding the Fourth Proportional to 203,176.19, 304,784.34 and 70,038.92

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Solution

The fourth proportional to 203,176.19, 304,784.34 and 70,038.92 is: 105,065.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,176.19 : 304,784.34 = 70,038.92 : x
  2. Step 2: Convert to fraction form
    203,176.19/304,784.34 = 70,038.92/x
  3. Step 3: Cross multiply
    203,176.19x = 304,784.34 × 70,038.92
  4. Step 4: Simplify right side
    203,176.19x = 21,346,766,006.51
  5. Step 5: Solve for x
    x = 21,346,766,006.51/203,176.19
  6. Step 6: Final answer
    x = 105,065.29

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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.