Home / 154,968.12-213,849-94,529.16

Finding the Fourth Proportional to 154,968.12, 213,849 and 94,529.16

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Solution

The fourth proportional to 154,968.12, 213,849 and 94,529.16 is: 130,445.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,968.12 : 213,849 = 94,529.16 : x
  2. Step 2: Convert to fraction form
    154,968.12/213,849 = 94,529.16/x
  3. Step 3: Cross multiply
    154,968.12x = 213,849 × 94,529.16
  4. Step 4: Simplify right side
    154,968.12x = 20,214,966,336.84
  5. Step 5: Solve for x
    x = 20,214,966,336.84/154,968.12
  6. Step 6: Final answer
    x = 130,445.97

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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.