Home / 186,585.80-257,284.89-126,051.32

Finding the Fourth Proportional to 186,585.80, 257,284.89 and 126,051.32

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Solution

The fourth proportional to 186,585.80, 257,284.89 and 126,051.32 is: 173,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,585.80 : 257,284.89 = 126,051.32 : x
  2. Step 2: Convert to fraction form
    186,585.80/257,284.89 = 126,051.32/x
  3. Step 3: Cross multiply
    186,585.80x = 257,284.89 × 126,051.32
  4. Step 4: Simplify right side
    186,585.80x = 32,431,100,643.77
  5. Step 5: Solve for x
    x = 32,431,100,643.77/186,585.80
  6. Step 6: Final answer
    x = 173,813.34

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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.