Home / 296,705.36-445,058.04-72,064.40

Finding the Fourth Proportional to 296,705.36, 445,058.04 and 72,064.40

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Solution

The fourth proportional to 296,705.36, 445,058.04 and 72,064.40 is: 108,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,705.36 : 445,058.04 = 72,064.40 : x
  2. Step 2: Convert to fraction form
    296,705.36/445,058.04 = 72,064.40/x
  3. Step 3: Cross multiply
    296,705.36x = 445,058.04 × 72,064.40
  4. Step 4: Simplify right side
    296,705.36x = 32,072,840,617.78
  5. Step 5: Solve for x
    x = 32,072,840,617.78/296,705.36
  6. Step 6: Final answer
    x = 108,096.60

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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.