Home / 404,711.27-607,068.74-105,170.63

Finding the Fourth Proportional to 404,711.27, 607,068.74 and 105,170.63

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Solution

The fourth proportional to 404,711.27, 607,068.74 and 105,170.63 is: 157,756.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,711.27 : 607,068.74 = 105,170.63 : x
  2. Step 2: Convert to fraction form
    404,711.27/607,068.74 = 105,170.63/x
  3. Step 3: Cross multiply
    404,711.27x = 607,068.74 × 105,170.63
  4. Step 4: Simplify right side
    404,711.27x = 63,845,798,277.91
  5. Step 5: Solve for x
    x = 63,845,798,277.91/404,711.27
  6. Step 6: Final answer
    x = 157,756.42

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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.