Home / 186,567.35-257,202.09-157,771.35

Finding the Fourth Proportional to 186,567.35, 257,202.09 and 157,771.35

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Solution

The fourth proportional to 186,567.35, 257,202.09 and 157,771.35 is: 217,503.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,567.35 : 257,202.09 = 157,771.35 : x
  2. Step 2: Convert to fraction form
    186,567.35/257,202.09 = 157,771.35/x
  3. Step 3: Cross multiply
    186,567.35x = 257,202.09 × 157,771.35
  4. Step 4: Simplify right side
    186,567.35x = 40,579,120,962.12
  5. Step 5: Solve for x
    x = 40,579,120,962.12/186,567.35
  6. Step 6: Final answer
    x = 217,503.88

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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.