Home / 105,884.70-146,123.26-58,138.24

Finding the Fourth Proportional to 105,884.70, 146,123.26 and 58,138.24

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Solution

The fourth proportional to 105,884.70, 146,123.26 and 58,138.24 is: 80,232.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,884.70 : 146,123.26 = 58,138.24 : x
  2. Step 2: Convert to fraction form
    105,884.70/146,123.26 = 58,138.24/x
  3. Step 3: Cross multiply
    105,884.70x = 146,123.26 × 58,138.24
  4. Step 4: Simplify right side
    105,884.70x = 8,495,349,159.46
  5. Step 5: Solve for x
    x = 8,495,349,159.46/105,884.70
  6. Step 6: Final answer
    x = 80,232.07

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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.