Home / 180,211.19-248,681.39-99,634.01

Finding the Fourth Proportional to 180,211.19, 248,681.39 and 99,634.01

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Solution

The fourth proportional to 180,211.19, 248,681.39 and 99,634.01 is: 137,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,211.19 : 248,681.39 = 99,634.01 : x
  2. Step 2: Convert to fraction form
    180,211.19/248,681.39 = 99,634.01/x
  3. Step 3: Cross multiply
    180,211.19x = 248,681.39 × 99,634.01
  4. Step 4: Simplify right side
    180,211.19x = 24,777,122,356.50
  5. Step 5: Solve for x
    x = 24,777,122,356.50/180,211.19
  6. Step 6: Final answer
    x = 137,489.37

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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.