Home / 186,282.48-257,300.64-135,213.60

Finding the Fourth Proportional to 186,282.48, 257,300.64 and 135,213.60

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Solution

The fourth proportional to 186,282.48, 257,300.64 and 135,213.60 is: 186,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,282.48 : 257,300.64 = 135,213.60 : x
  2. Step 2: Convert to fraction form
    186,282.48/257,300.64 = 135,213.60/x
  3. Step 3: Cross multiply
    186,282.48x = 257,300.64 × 135,213.60
  4. Step 4: Simplify right side
    186,282.48x = 34,790,545,816.70
  5. Step 5: Solve for x
    x = 34,790,545,816.70/186,282.48
  6. Step 6: Final answer
    x = 186,762.31

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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.