Home / 353,058.84-529,583.58-86,821.76

Finding the Fourth Proportional to 353,058.84, 529,583.58 and 86,821.76

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Solution

The fourth proportional to 353,058.84, 529,583.58 and 86,821.76 is: 130,231.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,058.84 : 529,583.58 = 86,821.76 : x
  2. Step 2: Convert to fraction form
    353,058.84/529,583.58 = 86,821.76/x
  3. Step 3: Cross multiply
    353,058.84x = 529,583.58 × 86,821.76
  4. Step 4: Simplify right side
    353,058.84x = 45,979,378,482.70
  5. Step 5: Solve for x
    x = 45,979,378,482.70/353,058.84
  6. Step 6: Final answer
    x = 130,231.49

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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.