Home / 186,376.36-257,199.78-101,491.60

Finding the Fourth Proportional to 186,376.36, 257,199.78 and 101,491.60

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Solution

The fourth proportional to 186,376.36, 257,199.78 and 101,491.60 is: 140,058.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,376.36 : 257,199.78 = 101,491.60 : x
  2. Step 2: Convert to fraction form
    186,376.36/257,199.78 = 101,491.60/x
  3. Step 3: Cross multiply
    186,376.36x = 257,199.78 × 101,491.60
  4. Step 4: Simplify right side
    186,376.36x = 26,103,617,191.85
  5. Step 5: Solve for x
    x = 26,103,617,191.85/186,376.36
  6. Step 6: Final answer
    x = 140,058.63

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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.