Home / 203,030.12-304,543.48-158,694.16

Finding the Fourth Proportional to 203,030.12, 304,543.48 and 158,694.16

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Solution

The fourth proportional to 203,030.12, 304,543.48 and 158,694.16 is: 238,039.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,030.12 : 304,543.48 = 158,694.16 : x
  2. Step 2: Convert to fraction form
    203,030.12/304,543.48 = 158,694.16/x
  3. Step 3: Cross multiply
    203,030.12x = 304,543.48 × 158,694.16
  4. Step 4: Simplify right side
    203,030.12x = 48,329,271,742.08
  5. Step 5: Solve for x
    x = 48,329,271,742.08/203,030.12
  6. Step 6: Final answer
    x = 238,039.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.