Home / 151,029.09-208,421.55-83,046.49

Finding the Fourth Proportional to 151,029.09, 208,421.55 and 83,046.49

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Solution

The fourth proportional to 151,029.09, 208,421.55 and 83,046.49 is: 114,604.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,029.09 : 208,421.55 = 83,046.49 : x
  2. Step 2: Convert to fraction form
    151,029.09/208,421.55 = 83,046.49/x
  3. Step 3: Cross multiply
    151,029.09x = 208,421.55 × 83,046.49
  4. Step 4: Simplify right side
    151,029.09x = 17,308,677,646.81
  5. Step 5: Solve for x
    x = 17,308,677,646.81/151,029.09
  6. Step 6: Final answer
    x = 114,604.93

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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.