Home / 135,527.04-187,033.86-81,811.08

Finding the Fourth Proportional to 135,527.04, 187,033.86 and 81,811.08

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Solution

The fourth proportional to 135,527.04, 187,033.86 and 81,811.08 is: 112,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,527.04 : 187,033.86 = 81,811.08 : x
  2. Step 2: Convert to fraction form
    135,527.04/187,033.86 = 81,811.08/x
  3. Step 3: Cross multiply
    135,527.04x = 187,033.86 × 81,811.08
  4. Step 4: Simplify right side
    135,527.04x = 15,301,442,083.17
  5. Step 5: Solve for x
    x = 15,301,442,083.17/135,527.04
  6. Step 6: Final answer
    x = 112,903.24

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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.