Home / 243,933.76-336,580.24-136,482.94

Finding the Fourth Proportional to 243,933.76, 336,580.24 and 136,482.94

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Solution

The fourth proportional to 243,933.76, 336,580.24 and 136,482.94 is: 188,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,933.76 : 336,580.24 = 136,482.94 : x
  2. Step 2: Convert to fraction form
    243,933.76/336,580.24 = 136,482.94/x
  3. Step 3: Cross multiply
    243,933.76x = 336,580.24 × 136,482.94
  4. Step 4: Simplify right side
    243,933.76x = 45,937,460,701.11
  5. Step 5: Solve for x
    x = 45,937,460,701.11/243,933.76
  6. Step 6: Final answer
    x = 188,319.41

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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.