Home / 186,944.10-257,981.04-115,295.46

Finding the Fourth Proportional to 186,944.10, 257,981.04 and 115,295.46

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Solution

The fourth proportional to 186,944.10, 257,981.04 and 115,295.46 is: 159,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,944.10 : 257,981.04 = 115,295.46 : x
  2. Step 2: Convert to fraction form
    186,944.10/257,981.04 = 115,295.46/x
  3. Step 3: Cross multiply
    186,944.10x = 257,981.04 × 115,295.46
  4. Step 4: Simplify right side
    186,944.10x = 29,744,042,678.08
  5. Step 5: Solve for x
    x = 29,744,042,678.08/186,944.10
  6. Step 6: Final answer
    x = 159,106.61

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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.