Home / 190,618.34-263,084.85-105,762.74

Finding the Fourth Proportional to 190,618.34, 263,084.85 and 105,762.74

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Solution

The fourth proportional to 190,618.34, 263,084.85 and 105,762.74 is: 145,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,618.34 : 263,084.85 = 105,762.74 : x
  2. Step 2: Convert to fraction form
    190,618.34/263,084.85 = 105,762.74/x
  3. Step 3: Cross multiply
    190,618.34x = 263,084.85 × 105,762.74
  4. Step 4: Simplify right side
    190,618.34x = 27,824,574,588.49
  5. Step 5: Solve for x
    x = 27,824,574,588.49/190,618.34
  6. Step 6: Final answer
    x = 145,970.08

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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.