Home / 161,578.28-242,478.09-56,397.24

Finding the Fourth Proportional to 161,578.28, 242,478.09 and 56,397.24

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Solution

The fourth proportional to 161,578.28, 242,478.09 and 56,397.24 is: 84,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,578.28 : 242,478.09 = 56,397.24 : x
  2. Step 2: Convert to fraction form
    161,578.28/242,478.09 = 56,397.24/x
  3. Step 3: Cross multiply
    161,578.28x = 242,478.09 × 56,397.24
  4. Step 4: Simplify right side
    161,578.28x = 13,675,095,036.47
  5. Step 5: Solve for x
    x = 13,675,095,036.47/161,578.28
  6. Step 6: Final answer
    x = 84,634.49

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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.