Home / 134,507.90-201,657.26-87,022.66

Finding the Fourth Proportional to 134,507.90, 201,657.26 and 87,022.66

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Solution

The fourth proportional to 134,507.90, 201,657.26 and 87,022.66 is: 130,466.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,507.90 : 201,657.26 = 87,022.66 : x
  2. Step 2: Convert to fraction form
    134,507.90/201,657.26 = 87,022.66/x
  3. Step 3: Cross multiply
    134,507.90x = 201,657.26 × 87,022.66
  4. Step 4: Simplify right side
    134,507.90x = 17,548,751,173.51
  5. Step 5: Solve for x
    x = 17,548,751,173.51/134,507.90
  6. Step 6: Final answer
    x = 130,466.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.