Home / 104,740.19-157,108.15-25,855.10

Finding the Fourth Proportional to 104,740.19, 157,108.15 and 25,855.10

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Solution

The fourth proportional to 104,740.19, 157,108.15 and 25,855.10 is: 38,782.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,740.19 : 157,108.15 = 25,855.10 : x
  2. Step 2: Convert to fraction form
    104,740.19/157,108.15 = 25,855.10/x
  3. Step 3: Cross multiply
    104,740.19x = 157,108.15 × 25,855.10
  4. Step 4: Simplify right side
    104,740.19x = 4,062,046,014.25
  5. Step 5: Solve for x
    x = 4,062,046,014.25/104,740.19
  6. Step 6: Final answer
    x = 38,782.12

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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.