Home / 186,460.18-257,333.63-113,859.07

Finding the Fourth Proportional to 186,460.18, 257,333.63 and 113,859.07

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Solution

The fourth proportional to 186,460.18, 257,333.63 and 113,859.07 is: 157,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,460.18 : 257,333.63 = 113,859.07 : x
  2. Step 2: Convert to fraction form
    186,460.18/257,333.63 = 113,859.07/x
  3. Step 3: Cross multiply
    186,460.18x = 257,333.63 × 113,859.07
  4. Step 4: Simplify right side
    186,460.18x = 29,299,767,791.52
  5. Step 5: Solve for x
    x = 29,299,767,791.52/186,460.18
  6. Step 6: Final answer
    x = 157,136.86

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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.