Home / 186,154.50-256,873.77-105,556.26

Finding the Fourth Proportional to 186,154.50, 256,873.77 and 105,556.26

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Solution

The fourth proportional to 186,154.50, 256,873.77 and 105,556.26 is: 145,656.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,154.50 : 256,873.77 = 105,556.26 : x
  2. Step 2: Convert to fraction form
    186,154.50/256,873.77 = 105,556.26/x
  3. Step 3: Cross multiply
    186,154.50x = 256,873.77 × 105,556.26
  4. Step 4: Simplify right side
    186,154.50x = 27,114,634,453.30
  5. Step 5: Solve for x
    x = 27,114,634,453.30/186,154.50
  6. Step 6: Final answer
    x = 145,656.62

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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.