Home / 151,020.19-208,403.43-83,037.10

Finding the Fourth Proportional to 151,020.19, 208,403.43 and 83,037.10

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Solution

The fourth proportional to 151,020.19, 208,403.43 and 83,037.10 is: 114,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,020.19 : 208,403.43 = 83,037.10 : x
  2. Step 2: Convert to fraction form
    151,020.19/208,403.43 = 83,037.10/x
  3. Step 3: Cross multiply
    151,020.19x = 208,403.43 × 83,037.10
  4. Step 4: Simplify right side
    151,020.19x = 17,305,216,457.25
  5. Step 5: Solve for x
    x = 17,305,216,457.25/151,020.19
  6. Step 6: Final answer
    x = 114,588.76

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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.