Home / 445,528.48-668,071.62-141,883.06

Finding the Fourth Proportional to 445,528.48, 668,071.62 and 141,883.06

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Solution

The fourth proportional to 445,528.48, 668,071.62 and 141,883.06 is: 212,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,528.48 : 668,071.62 = 141,883.06 : x
  2. Step 2: Convert to fraction form
    445,528.48/668,071.62 = 141,883.06/x
  3. Step 3: Cross multiply
    445,528.48x = 668,071.62 × 141,883.06
  4. Step 4: Simplify right side
    445,528.48x = 94,788,045,744.76
  5. Step 5: Solve for x
    x = 94,788,045,744.76/445,528.48
  6. Step 6: Final answer
    x = 212,754.18

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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.