Home / 312,162.13-430,786.81-168,925.24

Finding the Fourth Proportional to 312,162.13, 430,786.81 and 168,925.24

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Solution

The fourth proportional to 312,162.13, 430,786.81 and 168,925.24 is: 233,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,162.13 : 430,786.81 = 168,925.24 : x
  2. Step 2: Convert to fraction form
    312,162.13/430,786.81 = 168,925.24/x
  3. Step 3: Cross multiply
    312,162.13x = 430,786.81 × 168,925.24
  4. Step 4: Simplify right side
    312,162.13x = 72,770,764,423.46
  5. Step 5: Solve for x
    x = 72,770,764,423.46/312,162.13
  6. Step 6: Final answer
    x = 233,118.49

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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.