Home / 186,743.16-257,703.30-101,858.40

Finding the Fourth Proportional to 186,743.16, 257,703.30 and 101,858.40

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Solution

The fourth proportional to 186,743.16, 257,703.30 and 101,858.40 is: 140,563.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,743.16 : 257,703.30 = 101,858.40 : x
  2. Step 2: Convert to fraction form
    186,743.16/257,703.30 = 101,858.40/x
  3. Step 3: Cross multiply
    186,743.16x = 257,703.30 × 101,858.40
  4. Step 4: Simplify right side
    186,743.16x = 26,249,245,812.72
  5. Step 5: Solve for x
    x = 26,249,245,812.72/186,743.16
  6. Step 6: Final answer
    x = 140,563.36

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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.