Home / 180,074.36-248,503.20-99,501.68

Finding the Fourth Proportional to 180,074.36, 248,503.20 and 99,501.68

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Solution

The fourth proportional to 180,074.36, 248,503.20 and 99,501.68 is: 137,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,074.36 : 248,503.20 = 99,501.68 : x
  2. Step 2: Convert to fraction form
    180,074.36/248,503.20 = 99,501.68/x
  3. Step 3: Cross multiply
    180,074.36x = 248,503.20 × 99,501.68
  4. Step 4: Simplify right side
    180,074.36x = 24,726,485,885.38
  5. Step 5: Solve for x
    x = 24,726,485,885.38/180,074.36
  6. Step 6: Final answer
    x = 137,312.64

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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.