Home / 140,185.63-193,502.32-111,557.80

Finding the Fourth Proportional to 140,185.63, 193,502.32 and 111,557.80

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Solution

The fourth proportional to 140,185.63, 193,502.32 and 111,557.80 is: 153,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,185.63 : 193,502.32 = 111,557.80 : x
  2. Step 2: Convert to fraction form
    140,185.63/193,502.32 = 111,557.80/x
  3. Step 3: Cross multiply
    140,185.63x = 193,502.32 × 111,557.80
  4. Step 4: Simplify right side
    140,185.63x = 21,586,693,077.08
  5. Step 5: Solve for x
    x = 21,586,693,077.08/140,185.63
  6. Step 6: Final answer
    x = 153,986.49

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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.