Home / 180,192.87-248,655.45-99,615.57

Finding the Fourth Proportional to 180,192.87, 248,655.45 and 99,615.57

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Solution

The fourth proportional to 180,192.87, 248,655.45 and 99,615.57 is: 137,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,192.87 : 248,655.45 = 99,615.57 : x
  2. Step 2: Convert to fraction form
    180,192.87/248,655.45 = 99,615.57/x
  3. Step 3: Cross multiply
    180,192.87x = 248,655.45 × 99,615.57
  4. Step 4: Simplify right side
    180,192.87x = 24,769,954,385.36
  5. Step 5: Solve for x
    x = 24,769,954,385.36/180,192.87
  6. Step 6: Final answer
    x = 137,463.57

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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.