Home / 104,381.17-144,163.36-70,330.03

Finding the Fourth Proportional to 104,381.17, 144,163.36 and 70,330.03

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Solution

The fourth proportional to 104,381.17, 144,163.36 and 70,330.03 is: 97,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,381.17 : 144,163.36 = 70,330.03 : x
  2. Step 2: Convert to fraction form
    104,381.17/144,163.36 = 70,330.03/x
  3. Step 3: Cross multiply
    104,381.17x = 144,163.36 × 70,330.03
  4. Step 4: Simplify right side
    104,381.17x = 10,139,013,161.20
  5. Step 5: Solve for x
    x = 10,139,013,161.20/104,381.17
  6. Step 6: Final answer
    x = 97,134.51

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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.