Home / 453,904.19-680,945.89-134,061.51

Finding the Fourth Proportional to 453,904.19, 680,945.89 and 134,061.51

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Solution

The fourth proportional to 453,904.19, 680,945.89 and 134,061.51 is: 201,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,904.19 : 680,945.89 = 134,061.51 : x
  2. Step 2: Convert to fraction form
    453,904.19/680,945.89 = 134,061.51/x
  3. Step 3: Cross multiply
    453,904.19x = 680,945.89 × 134,061.51
  4. Step 4: Simplify right side
    453,904.19x = 91,288,636,711.45
  5. Step 5: Solve for x
    x = 91,288,636,711.45/453,904.19
  6. Step 6: Final answer
    x = 201,118.74

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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.