Home / 163,574.69-245,401.23-79,236.27

Finding the Fourth Proportional to 163,574.69, 245,401.23 and 79,236.27

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Solution

The fourth proportional to 163,574.69, 245,401.23 and 79,236.27 is: 118,873.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,574.69 : 245,401.23 = 79,236.27 : x
  2. Step 2: Convert to fraction form
    163,574.69/245,401.23 = 79,236.27/x
  3. Step 3: Cross multiply
    163,574.69x = 245,401.23 × 79,236.27
  4. Step 4: Simplify right side
    163,574.69x = 19,444,678,118.61
  5. Step 5: Solve for x
    x = 19,444,678,118.61/163,574.69
  6. Step 6: Final answer
    x = 118,873.39

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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.