Home / 186,403.48-257,251.34-105,856.27

Finding the Fourth Proportional to 186,403.48, 257,251.34 and 105,856.27

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Solution

The fourth proportional to 186,403.48, 257,251.34 and 105,856.27 is: 146,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,403.48 : 257,251.34 = 105,856.27 : x
  2. Step 2: Convert to fraction form
    186,403.48/257,251.34 = 105,856.27/x
  3. Step 3: Cross multiply
    186,403.48x = 257,251.34 × 105,856.27
  4. Step 4: Simplify right side
    186,403.48x = 27,231,666,926.41
  5. Step 5: Solve for x
    x = 27,231,666,926.41/186,403.48
  6. Step 6: Final answer
    x = 146,089.91

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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.