Home / 142,533.77-196,535.63-106,608.65

Finding the Fourth Proportional to 142,533.77, 196,535.63 and 106,608.65

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Solution

The fourth proportional to 142,533.77, 196,535.63 and 106,608.65 is: 146,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,533.77 : 196,535.63 = 106,608.65 : x
  2. Step 2: Convert to fraction form
    142,533.77/196,535.63 = 106,608.65/x
  3. Step 3: Cross multiply
    142,533.77x = 196,535.63 × 106,608.65
  4. Step 4: Simplify right side
    142,533.77x = 20,952,397,475.04
  5. Step 5: Solve for x
    x = 20,952,397,475.04/142,533.77
  6. Step 6: Final answer
    x = 146,999.54

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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.