Home / 312,190.04-430,825.44-168,953.16

Finding the Fourth Proportional to 312,190.04, 430,825.44 and 168,953.16

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Solution

The fourth proportional to 312,190.04, 430,825.44 and 168,953.16 is: 233,157.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,190.04 : 430,825.44 = 168,953.16 : x
  2. Step 2: Convert to fraction form
    312,190.04/430,825.44 = 168,953.16/x
  3. Step 3: Cross multiply
    312,190.04x = 430,825.44 × 168,953.16
  4. Step 4: Simplify right side
    312,190.04x = 72,789,319,496.39
  5. Step 5: Solve for x
    x = 72,789,319,496.39/312,190.04
  6. Step 6: Final answer
    x = 233,157.08

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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.