Home / 243,960.46-336,872.07-153,345.60

Finding the Fourth Proportional to 243,960.46, 336,872.07 and 153,345.60

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Solution

The fourth proportional to 243,960.46, 336,872.07 and 153,345.60 is: 211,746.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,960.46 : 336,872.07 = 153,345.60 : x
  2. Step 2: Convert to fraction form
    243,960.46/336,872.07 = 153,345.60/x
  3. Step 3: Cross multiply
    243,960.46x = 336,872.07 × 153,345.60
  4. Step 4: Simplify right side
    243,960.46x = 51,657,849,697.39
  5. Step 5: Solve for x
    x = 51,657,849,697.39/243,960.46
  6. Step 6: Final answer
    x = 211,746.81

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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.