Home / 243,821.69-336,541.55-141,866.84

Finding the Fourth Proportional to 243,821.69, 336,541.55 and 141,866.84

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Solution

The fourth proportional to 243,821.69, 336,541.55 and 141,866.84 is: 195,815.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,821.69 : 336,541.55 = 141,866.84 : x
  2. Step 2: Convert to fraction form
    243,821.69/336,541.55 = 141,866.84/x
  3. Step 3: Cross multiply
    243,821.69x = 336,541.55 × 141,866.84
  4. Step 4: Simplify right side
    243,821.69x = 47,744,083,835.16
  5. Step 5: Solve for x
    x = 47,744,083,835.16/243,821.69
  6. Step 6: Final answer
    x = 195,815.58

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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.