Home / 145,986.04-201,460.74-82,323.76

Finding the Fourth Proportional to 145,986.04, 201,460.74 and 82,323.76

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Solution

The fourth proportional to 145,986.04, 201,460.74 and 82,323.76 is: 113,606.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,986.04 : 201,460.74 = 82,323.76 : x
  2. Step 2: Convert to fraction form
    145,986.04/201,460.74 = 82,323.76/x
  3. Step 3: Cross multiply
    145,986.04x = 201,460.74 × 82,323.76
  4. Step 4: Simplify right side
    145,986.04x = 16,585,005,609.18
  5. Step 5: Solve for x
    x = 16,585,005,609.18/145,986.04
  6. Step 6: Final answer
    x = 113,606.79

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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.