Home / 186,290.46-257,074.29-101,405.70

Finding the Fourth Proportional to 186,290.46, 257,074.29 and 101,405.70

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Solution

The fourth proportional to 186,290.46, 257,074.29 and 101,405.70 is: 139,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,290.46 : 257,074.29 = 101,405.70 : x
  2. Step 2: Convert to fraction form
    186,290.46/257,074.29 = 101,405.70/x
  3. Step 3: Cross multiply
    186,290.46x = 257,074.29 × 101,405.70
  4. Step 4: Simplify right side
    186,290.46x = 26,068,798,329.45
  5. Step 5: Solve for x
    x = 26,068,798,329.45/186,290.46
  6. Step 6: Final answer
    x = 139,936.30

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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.