Home / 151,349.41-208,860.28-83,365.03

Finding the Fourth Proportional to 151,349.41, 208,860.28 and 83,365.03

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Solution

The fourth proportional to 151,349.41, 208,860.28 and 83,365.03 is: 115,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,349.41 : 208,860.28 = 83,365.03 : x
  2. Step 2: Convert to fraction form
    151,349.41/208,860.28 = 83,365.03/x
  3. Step 3: Cross multiply
    151,349.41x = 208,860.28 × 83,365.03
  4. Step 4: Simplify right side
    151,349.41x = 17,411,643,508.01
  5. Step 5: Solve for x
    x = 17,411,643,508.01/151,349.41
  6. Step 6: Final answer
    x = 115,042.69

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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.