Home / 186,423.88-257,156.04-131,914.84

Finding the Fourth Proportional to 186,423.88, 257,156.04 and 131,914.84

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Solution

The fourth proportional to 186,423.88, 257,156.04 and 131,914.84 is: 181,965.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,423.88 : 257,156.04 = 131,914.84 : x
  2. Step 2: Convert to fraction form
    186,423.88/257,156.04 = 131,914.84/x
  3. Step 3: Cross multiply
    186,423.88x = 257,156.04 × 131,914.84
  4. Step 4: Simplify right side
    186,423.88x = 33,922,697,871.63
  5. Step 5: Solve for x
    x = 33,922,697,871.63/186,423.88
  6. Step 6: Final answer
    x = 181,965.41

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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.