Home / 179,627.36-247,902.32-103,156.48

Finding the Fourth Proportional to 179,627.36, 247,902.32 and 103,156.48

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Solution

The fourth proportional to 179,627.36, 247,902.32 and 103,156.48 is: 142,365.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,627.36 : 247,902.32 = 103,156.48 : x
  2. Step 2: Convert to fraction form
    179,627.36/247,902.32 = 103,156.48/x
  3. Step 3: Cross multiply
    179,627.36x = 247,902.32 × 103,156.48
  4. Step 4: Simplify right side
    179,627.36x = 25,572,730,715.03
  5. Step 5: Solve for x
    x = 25,572,730,715.03/179,627.36
  6. Step 6: Final answer
    x = 142,365.45

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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.