Home / 107,415.51-161,122.24-65,307.22

Finding the Fourth Proportional to 107,415.51, 161,122.24 and 65,307.22

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Solution

The fourth proportional to 107,415.51, 161,122.24 and 65,307.22 is: 97,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,415.51 : 161,122.24 = 65,307.22 : x
  2. Step 2: Convert to fraction form
    107,415.51/161,122.24 = 65,307.22/x
  3. Step 3: Cross multiply
    107,415.51x = 161,122.24 × 65,307.22
  4. Step 4: Simplify right side
    107,415.51x = 10,522,445,248.04
  5. Step 5: Solve for x
    x = 10,522,445,248.04/107,415.51
  6. Step 6: Final answer
    x = 97,960.20

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1.5x scale

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.