Home / 117,206.07-161,744.43-63,490.92

Finding the Fourth Proportional to 117,206.07, 161,744.43 and 63,490.92

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Solution

The fourth proportional to 117,206.07, 161,744.43 and 63,490.92 is: 87,617.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,206.07 : 161,744.43 = 63,490.92 : x
  2. Step 2: Convert to fraction form
    117,206.07/161,744.43 = 63,490.92/x
  3. Step 3: Cross multiply
    117,206.07x = 161,744.43 × 63,490.92
  4. Step 4: Simplify right side
    117,206.07x = 10,269,302,665.58
  5. Step 5: Solve for x
    x = 10,269,302,665.58/117,206.07
  6. Step 6: Final answer
    x = 87,617.50

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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.