Home / 453,736.35-680,623.29-133,888.22

Finding the Fourth Proportional to 453,736.35, 680,623.29 and 133,888.22

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Solution

The fourth proportional to 453,736.35, 680,623.29 and 133,888.22 is: 200,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,736.35 : 680,623.29 = 133,888.22 : x
  2. Step 2: Convert to fraction form
    453,736.35/680,623.29 = 133,888.22/x
  3. Step 3: Cross multiply
    453,736.35x = 680,623.29 × 133,888.22
  4. Step 4: Simplify right side
    453,736.35x = 91,127,437,385.53
  5. Step 5: Solve for x
    x = 91,127,437,385.53/453,736.35
  6. Step 6: Final answer
    x = 200,837.86

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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.