Home / 173,017.24-238,746.90-100,408.84

Finding the Fourth Proportional to 173,017.24, 238,746.90 and 100,408.84

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Solution

The fourth proportional to 173,017.24, 238,746.90 and 100,408.84 is: 138,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,017.24 : 238,746.90 = 100,408.84 : x
  2. Step 2: Convert to fraction form
    173,017.24/238,746.90 = 100,408.84/x
  3. Step 3: Cross multiply
    173,017.24x = 238,746.90 × 100,408.84
  4. Step 4: Simplify right side
    173,017.24x = 23,972,299,282.60
  5. Step 5: Solve for x
    x = 23,972,299,282.60/173,017.24
  6. Step 6: Final answer
    x = 138,554.40

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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.