Home / 190,541.23-262,957.40-105,656.47

Finding the Fourth Proportional to 190,541.23, 262,957.40 and 105,656.47

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Solution

The fourth proportional to 190,541.23, 262,957.40 and 105,656.47 is: 145,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,541.23 : 262,957.40 = 105,656.47 : x
  2. Step 2: Convert to fraction form
    190,541.23/262,957.40 = 105,656.47/x
  3. Step 3: Cross multiply
    190,541.23x = 262,957.40 × 105,656.47
  4. Step 4: Simplify right side
    190,541.23x = 27,783,150,644.38
  5. Step 5: Solve for x
    x = 27,783,150,644.38/190,541.23
  6. Step 6: Final answer
    x = 145,811.75

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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.