Home / 146,476.48-202,138.08-79,408.32

Finding the Fourth Proportional to 146,476.48, 202,138.08 and 79,408.32

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Solution

The fourth proportional to 146,476.48, 202,138.08 and 79,408.32 is: 109,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,476.48 : 202,138.08 = 79,408.32 : x
  2. Step 2: Convert to fraction form
    146,476.48/202,138.08 = 79,408.32/x
  3. Step 3: Cross multiply
    146,476.48x = 202,138.08 × 79,408.32
  4. Step 4: Simplify right side
    146,476.48x = 16,051,445,340.83
  5. Step 5: Solve for x
    x = 16,051,445,340.83/146,476.48
  6. Step 6: Final answer
    x = 109,583.77

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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.