Home / 146,790.10-202,566.88-86,364.64

Finding the Fourth Proportional to 146,790.10, 202,566.88 and 86,364.64

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Solution

The fourth proportional to 146,790.10, 202,566.88 and 86,364.64 is: 119,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,790.10 : 202,566.88 = 86,364.64 : x
  2. Step 2: Convert to fraction form
    146,790.10/202,566.88 = 86,364.64/x
  3. Step 3: Cross multiply
    146,790.10x = 202,566.88 × 86,364.64
  4. Step 4: Simplify right side
    146,790.10x = 17,494,615,667.12
  5. Step 5: Solve for x
    x = 17,494,615,667.12/146,790.10
  6. Step 6: Final answer
    x = 119,181.17

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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.