Home / 252,430.52-348,355.26-139,253.24

Finding the Fourth Proportional to 252,430.52, 348,355.26 and 139,253.24

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Solution

The fourth proportional to 252,430.52, 348,355.26 and 139,253.24 is: 192,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,430.52 : 348,355.26 = 139,253.24 : x
  2. Step 2: Convert to fraction form
    252,430.52/348,355.26 = 139,253.24/x
  3. Step 3: Cross multiply
    252,430.52x = 348,355.26 × 139,253.24
  4. Step 4: Simplify right side
    252,430.52x = 48,509,598,626.04
  5. Step 5: Solve for x
    x = 48,509,598,626.04/252,430.52
  6. Step 6: Final answer
    x = 192,170.10

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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.