Home / 186,426.37-257,275.67-105,861.45

Finding the Fourth Proportional to 186,426.37, 257,275.67 and 105,861.45

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Solution

The fourth proportional to 186,426.37, 257,275.67 and 105,861.45 is: 146,092.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,426.37 : 257,275.67 = 105,861.45 : x
  2. Step 2: Convert to fraction form
    186,426.37/257,275.67 = 105,861.45/x
  3. Step 3: Cross multiply
    186,426.37x = 257,275.67 × 105,861.45
  4. Step 4: Simplify right side
    186,426.37x = 27,235,575,475.92
  5. Step 5: Solve for x
    x = 27,235,575,475.92/186,426.37
  6. Step 6: Final answer
    x = 146,092.93

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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.