Home / 102,440.68-153,556.48-65,028.40

Finding the Fourth Proportional to 102,440.68, 153,556.48 and 65,028.40

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Solution

The fourth proportional to 102,440.68, 153,556.48 and 65,028.40 is: 97,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,440.68 : 153,556.48 = 65,028.40 : x
  2. Step 2: Convert to fraction form
    102,440.68/153,556.48 = 65,028.40/x
  3. Step 3: Cross multiply
    102,440.68x = 153,556.48 × 65,028.40
  4. Step 4: Simplify right side
    102,440.68x = 9,985,532,204.03
  5. Step 5: Solve for x
    x = 9,985,532,204.03/102,440.68
  6. Step 6: Final answer
    x = 97,476.24

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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.