Home / 357,623.87-536,436.25-91,384.63

Finding the Fourth Proportional to 357,623.87, 536,436.25 and 91,384.63

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Solution

The fourth proportional to 357,623.87, 536,436.25 and 91,384.63 is: 137,077.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,623.87 : 536,436.25 = 91,384.63 : x
  2. Step 2: Convert to fraction form
    357,623.87/536,436.25 = 91,384.63/x
  3. Step 3: Cross multiply
    357,623.87x = 536,436.25 × 91,384.63
  4. Step 4: Simplify right side
    357,623.87x = 49,022,026,655.29
  5. Step 5: Solve for x
    x = 49,022,026,655.29/357,623.87
  6. Step 6: Final answer
    x = 137,077.06

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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.