Home / 236,325.21-326,165.13-139,539.35

Finding the Fourth Proportional to 236,325.21, 326,165.13 and 139,539.35

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Solution

The fourth proportional to 236,325.21, 326,165.13 and 139,539.35 is: 192,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,325.21 : 326,165.13 = 139,539.35 : x
  2. Step 2: Convert to fraction form
    236,325.21/326,165.13 = 139,539.35/x
  3. Step 3: Cross multiply
    236,325.21x = 326,165.13 × 139,539.35
  4. Step 4: Simplify right side
    236,325.21x = 45,512,871,048.28
  5. Step 5: Solve for x
    x = 45,512,871,048.28/236,325.21
  6. Step 6: Final answer
    x = 192,585.77

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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.