Home / 190,710.54-263,180.16-105,827.40

Finding the Fourth Proportional to 190,710.54, 263,180.16 and 105,827.40

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Solution

The fourth proportional to 190,710.54, 263,180.16 and 105,827.40 is: 146,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,710.54 : 263,180.16 = 105,827.40 : x
  2. Step 2: Convert to fraction form
    190,710.54/263,180.16 = 105,827.40/x
  3. Step 3: Cross multiply
    190,710.54x = 263,180.16 × 105,827.40
  4. Step 4: Simplify right side
    190,710.54x = 27,851,672,064.38
  5. Step 5: Solve for x
    x = 27,851,672,064.38/190,710.54
  6. Step 6: Final answer
    x = 146,041.60

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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.