Home / 186,329.91-257,158.50-105,783.51

Finding the Fourth Proportional to 186,329.91, 257,158.50 and 105,783.51

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Solution

The fourth proportional to 186,329.91, 257,158.50 and 105,783.51 is: 145,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,329.91 : 257,158.50 = 105,783.51 : x
  2. Step 2: Convert to fraction form
    186,329.91/257,158.50 = 105,783.51/x
  3. Step 3: Cross multiply
    186,329.91x = 257,158.50 × 105,783.51
  4. Step 4: Simplify right side
    186,329.91x = 27,203,128,756.34
  5. Step 5: Solve for x
    x = 27,203,128,756.34/186,329.91
  6. Step 6: Final answer
    x = 145,994.43

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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.