Home / 180,210.42-248,686.20-103,731.03

Finding the Fourth Proportional to 180,210.42, 248,686.20 and 103,731.03

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Solution

The fourth proportional to 180,210.42, 248,686.20 and 103,731.03 is: 143,146.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,210.42 : 248,686.20 = 103,731.03 : x
  2. Step 2: Convert to fraction form
    180,210.42/248,686.20 = 103,731.03/x
  3. Step 3: Cross multiply
    180,210.42x = 248,686.20 × 103,731.03
  4. Step 4: Simplify right side
    180,210.42x = 25,796,475,672.79
  5. Step 5: Solve for x
    x = 25,796,475,672.79/180,210.42
  6. Step 6: Final answer
    x = 143,146.42

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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.