Home / 177,857.96-245,450.79-101,389.10

Finding the Fourth Proportional to 177,857.96, 245,450.79 and 101,389.10

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Solution

The fourth proportional to 177,857.96, 245,450.79 and 101,389.10 is: 139,920.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,857.96 : 245,450.79 = 101,389.10 : x
  2. Step 2: Convert to fraction form
    177,857.96/245,450.79 = 101,389.10/x
  3. Step 3: Cross multiply
    177,857.96x = 245,450.79 × 101,389.10
  4. Step 4: Simplify right side
    177,857.96x = 24,886,033,465.14
  5. Step 5: Solve for x
    x = 24,886,033,465.14/177,857.96
  6. Step 6: Final answer
    x = 139,920.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.