Home / 146,189.51-201,685.95-91,718.60

Finding the Fourth Proportional to 146,189.51, 201,685.95 and 91,718.60

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Solution

The fourth proportional to 146,189.51, 201,685.95 and 91,718.60 is: 126,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,189.51 : 201,685.95 = 91,718.60 : x
  2. Step 2: Convert to fraction form
    146,189.51/201,685.95 = 91,718.60/x
  3. Step 3: Cross multiply
    146,189.51x = 201,685.95 × 91,718.60
  4. Step 4: Simplify right side
    146,189.51x = 18,498,352,973.67
  5. Step 5: Solve for x
    x = 18,498,352,973.67/146,189.51
  6. Step 6: Final answer
    x = 126,536.80

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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.