Home / 186,290.03-256,590.50-143,187.09

Finding the Fourth Proportional to 186,290.03, 256,590.50 and 143,187.09

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Solution

The fourth proportional to 186,290.03, 256,590.50 and 143,187.09 is: 197,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,290.03 : 256,590.50 = 143,187.09 : x
  2. Step 2: Convert to fraction form
    186,290.03/256,590.50 = 143,187.09/x
  3. Step 3: Cross multiply
    186,290.03x = 256,590.50 × 143,187.09
  4. Step 4: Simplify right side
    186,290.03x = 36,740,446,300.71
  5. Step 5: Solve for x
    x = 36,740,446,300.71/186,290.03
  6. Step 6: Final answer
    x = 197,221.76

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1.5x scale

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.