Home / 190,369.08-262,694.88-105,484.32

Finding the Fourth Proportional to 190,369.08, 262,694.88 and 105,484.32

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Solution

The fourth proportional to 190,369.08, 262,694.88 and 105,484.32 is: 145,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,369.08 : 262,694.88 = 105,484.32 : x
  2. Step 2: Convert to fraction form
    190,369.08/262,694.88 = 105,484.32/x
  3. Step 3: Cross multiply
    190,369.08x = 262,694.88 × 105,484.32
  4. Step 4: Simplify right side
    190,369.08x = 27,710,190,784.28
  5. Step 5: Solve for x
    x = 27,710,190,784.28/190,369.08
  6. Step 6: Final answer
    x = 145,560.35

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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.