Home / 105,876.32-146,113.08-58,133.32

Finding the Fourth Proportional to 105,876.32, 146,113.08 and 58,133.32

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Solution

The fourth proportional to 105,876.32, 146,113.08 and 58,133.32 is: 80,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,876.32 : 146,113.08 = 58,133.32 : x
  2. Step 2: Convert to fraction form
    105,876.32/146,113.08 = 58,133.32/x
  3. Step 3: Cross multiply
    105,876.32x = 146,113.08 × 58,133.32
  4. Step 4: Simplify right side
    105,876.32x = 8,494,038,435.83
  5. Step 5: Solve for x
    x = 8,494,038,435.83/105,876.32
  6. Step 6: Final answer
    x = 80,226.05

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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.