Home / 186,730.34-278,904.85-168,933.56

Finding the Fourth Proportional to 186,730.34, 278,904.85 and 168,933.56

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Solution

The fourth proportional to 186,730.34, 278,904.85 and 168,933.56 is: 252,323.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,730.34 : 278,904.85 = 168,933.56 : x
  2. Step 2: Convert to fraction form
    186,730.34/278,904.85 = 168,933.56/x
  3. Step 3: Cross multiply
    186,730.34x = 278,904.85 × 168,933.56
  4. Step 4: Simplify right side
    186,730.34x = 47,116,389,211.77
  5. Step 5: Solve for x
    x = 47,116,389,211.77/186,730.34
  6. Step 6: Final answer
    x = 252,323.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.