Home / 190,231.06-262,526.76-105,348.16

Finding the Fourth Proportional to 190,231.06, 262,526.76 and 105,348.16

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Solution

The fourth proportional to 190,231.06, 262,526.76 and 105,348.16 is: 145,384.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,231.06 : 262,526.76 = 105,348.16 : x
  2. Step 2: Convert to fraction form
    190,231.06/262,526.76 = 105,348.16/x
  3. Step 3: Cross multiply
    190,231.06x = 262,526.76 × 105,348.16
  4. Step 4: Simplify right side
    190,231.06x = 27,656,711,116.76
  5. Step 5: Solve for x
    x = 27,656,711,116.76/190,231.06
  6. Step 6: Final answer
    x = 145,384.83

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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.