Home / 118,131.67-163,050.74-91,233.19

Finding the Fourth Proportional to 118,131.67, 163,050.74 and 91,233.19

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Solution

The fourth proportional to 118,131.67, 163,050.74 and 91,233.19 is: 125,924.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,131.67 : 163,050.74 = 91,233.19 : x
  2. Step 2: Convert to fraction form
    118,131.67/163,050.74 = 91,233.19/x
  3. Step 3: Cross multiply
    118,131.67x = 163,050.74 × 91,233.19
  4. Step 4: Simplify right side
    118,131.67x = 14,875,639,142.06
  5. Step 5: Solve for x
    x = 14,875,639,142.06/118,131.67
  6. Step 6: Final answer
    x = 125,924.23

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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.