Home / 146,349.64-201,977.46-105,547.48

Finding the Fourth Proportional to 146,349.64, 201,977.46 and 105,547.48

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Solution

The fourth proportional to 146,349.64, 201,977.46 and 105,547.48 is: 145,666.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,349.64 : 201,977.46 = 105,547.48 : x
  2. Step 2: Convert to fraction form
    146,349.64/201,977.46 = 105,547.48/x
  3. Step 3: Cross multiply
    146,349.64x = 201,977.46 × 105,547.48
  4. Step 4: Simplify right side
    146,349.64x = 21,318,211,919.80
  5. Step 5: Solve for x
    x = 21,318,211,919.80/146,349.64
  6. Step 6: Final answer
    x = 145,666.31

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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.