Home / 157,480.07-217,326.60-97,090.61

Finding the Fourth Proportional to 157,480.07, 217,326.60 and 97,090.61

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Solution

The fourth proportional to 157,480.07, 217,326.60 and 97,090.61 is: 133,987.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,480.07 : 217,326.60 = 97,090.61 : x
  2. Step 2: Convert to fraction form
    157,480.07/217,326.60 = 97,090.61/x
  3. Step 3: Cross multiply
    157,480.07x = 217,326.60 × 97,090.61
  4. Step 4: Simplify right side
    157,480.07x = 21,100,371,076.59
  5. Step 5: Solve for x
    x = 21,100,371,076.59/157,480.07
  6. Step 6: Final answer
    x = 133,987.57

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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.