Home / 150,763.07-208,057-82,784.43

Finding the Fourth Proportional to 150,763.07, 208,057 and 82,784.43

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Solution

The fourth proportional to 150,763.07, 208,057 and 82,784.43 is: 114,244.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,763.07 : 208,057 = 82,784.43 : x
  2. Step 2: Convert to fraction form
    150,763.07/208,057 = 82,784.43/x
  3. Step 3: Cross multiply
    150,763.07x = 208,057 × 82,784.43
  4. Step 4: Simplify right side
    150,763.07x = 17,223,880,152.51
  5. Step 5: Solve for x
    x = 17,223,880,152.51/150,763.07
  6. Step 6: Final answer
    x = 114,244.69

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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.