Home / 432,058.06-648,087.16-116,515

Finding the Fourth Proportional to 432,058.06, 648,087.16 and 116,515

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Solution

The fourth proportional to 432,058.06, 648,087.16 and 116,515 is: 174,772.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,058.06 : 648,087.16 = 116,515 : x
  2. Step 2: Convert to fraction form
    432,058.06/648,087.16 = 116,515/x
  3. Step 3: Cross multiply
    432,058.06x = 648,087.16 × 116,515
  4. Step 4: Simplify right side
    432,058.06x = 75,511,875,447.40
  5. Step 5: Solve for x
    x = 75,511,875,447.40/432,058.06
  6. Step 6: Final answer
    x = 174,772.52

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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.