Home / 243,986.04-336,707.28-136,574.64

Finding the Fourth Proportional to 243,986.04, 336,707.28 and 136,574.64

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Solution

The fourth proportional to 243,986.04, 336,707.28 and 136,574.64 is: 188,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,986.04 : 336,707.28 = 136,574.64 : x
  2. Step 2: Convert to fraction form
    243,986.04/336,707.28 = 136,574.64/x
  3. Step 3: Cross multiply
    243,986.04x = 336,707.28 × 136,574.64
  4. Step 4: Simplify right side
    243,986.04x = 45,985,675,551.38
  5. Step 5: Solve for x
    x = 45,985,675,551.38/243,986.04
  6. Step 6: Final answer
    x = 188,476.67

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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.