Home / 135,547.56-187,056.06-75,119.22

Finding the Fourth Proportional to 135,547.56, 187,056.06 and 75,119.22

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Solution

The fourth proportional to 135,547.56, 187,056.06 and 75,119.22 is: 103,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,547.56 : 187,056.06 = 75,119.22 : x
  2. Step 2: Convert to fraction form
    135,547.56/187,056.06 = 75,119.22/x
  3. Step 3: Cross multiply
    135,547.56x = 187,056.06 × 75,119.22
  4. Step 4: Simplify right side
    135,547.56x = 14,051,505,323.47
  5. Step 5: Solve for x
    x = 14,051,505,323.47/135,547.56
  6. Step 6: Final answer
    x = 103,664.76

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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.