Home / 186,899.60-257,927.56-102,021.20

Finding the Fourth Proportional to 186,899.60, 257,927.56 and 102,021.20

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Solution

The fourth proportional to 186,899.60, 257,927.56 and 102,021.20 is: 140,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,899.60 : 257,927.56 = 102,021.20 : x
  2. Step 2: Convert to fraction form
    186,899.60/257,927.56 = 102,021.20/x
  3. Step 3: Cross multiply
    186,899.60x = 257,927.56 × 102,021.20
  4. Step 4: Simplify right side
    186,899.60x = 26,314,079,184.27
  5. Step 5: Solve for x
    x = 26,314,079,184.27/186,899.60
  6. Step 6: Final answer
    x = 140,792.59

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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.