Home / 145,275.75-200,491.47-88,698.06

Finding the Fourth Proportional to 145,275.75, 200,491.47 and 88,698.06

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Solution

The fourth proportional to 145,275.75, 200,491.47 and 88,698.06 is: 122,410.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,275.75 : 200,491.47 = 88,698.06 : x
  2. Step 2: Convert to fraction form
    145,275.75/200,491.47 = 88,698.06/x
  3. Step 3: Cross multiply
    145,275.75x = 200,491.47 × 88,698.06
  4. Step 4: Simplify right side
    145,275.75x = 17,783,204,435.55
  5. Step 5: Solve for x
    x = 17,783,204,435.55/145,275.75
  6. Step 6: Final answer
    x = 122,410.00

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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.