Home / 150,999.48-208,373.58-83,935.80

Finding the Fourth Proportional to 150,999.48, 208,373.58 and 83,935.80

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Solution

The fourth proportional to 150,999.48, 208,373.58 and 83,935.80 is: 115,828.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,999.48 : 208,373.58 = 83,935.80 : x
  2. Step 2: Convert to fraction form
    150,999.48/208,373.58 = 83,935.80/x
  3. Step 3: Cross multiply
    150,999.48x = 208,373.58 × 83,935.80
  4. Step 4: Simplify right side
    150,999.48x = 17,490,003,136.16
  5. Step 5: Solve for x
    x = 17,490,003,136.16/150,999.48
  6. Step 6: Final answer
    x = 115,828.23

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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.