Home / 207,587.53-286,524.23-135,171.18

Finding the Fourth Proportional to 207,587.53, 286,524.23 and 135,171.18

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Solution

The fourth proportional to 207,587.53, 286,524.23 and 135,171.18 is: 186,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,587.53 : 286,524.23 = 135,171.18 : x
  2. Step 2: Convert to fraction form
    207,587.53/286,524.23 = 135,171.18/x
  3. Step 3: Cross multiply
    207,587.53x = 286,524.23 × 135,171.18
  4. Step 4: Simplify right side
    207,587.53x = 38,729,818,267.69
  5. Step 5: Solve for x
    x = 38,729,818,267.69/207,587.53
  6. Step 6: Final answer
    x = 186,571.03

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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.