Home / 312,175.23-430,802.90-168,935.24

Finding the Fourth Proportional to 312,175.23, 430,802.90 and 168,935.24

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Solution

The fourth proportional to 312,175.23, 430,802.90 and 168,935.24 is: 233,131.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,175.23 : 430,802.90 = 168,935.24 : x
  2. Step 2: Convert to fraction form
    312,175.23/430,802.90 = 168,935.24/x
  3. Step 3: Cross multiply
    312,175.23x = 430,802.90 × 168,935.24
  4. Step 4: Simplify right side
    312,175.23x = 72,777,789,572.52
  5. Step 5: Solve for x
    x = 72,777,789,572.52/312,175.23
  6. Step 6: Final answer
    x = 233,131.21

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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.