Home / 180,004.58-248,401.55-99,430.37

Finding the Fourth Proportional to 180,004.58, 248,401.55 and 99,430.37

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Solution

The fourth proportional to 180,004.58, 248,401.55 and 99,430.37 is: 137,211.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,004.58 : 248,401.55 = 99,430.37 : x
  2. Step 2: Convert to fraction form
    180,004.58/248,401.55 = 99,430.37/x
  3. Step 3: Cross multiply
    180,004.58x = 248,401.55 × 99,430.37
  4. Step 4: Simplify right side
    180,004.58x = 24,698,657,963.15
  5. Step 5: Solve for x
    x = 24,698,657,963.15/180,004.58
  6. Step 6: Final answer
    x = 137,211.28

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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.