Home / 190,260.80-262,545.45-105,376.04

Finding the Fourth Proportional to 190,260.80, 262,545.45 and 105,376.04

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Solution

The fourth proportional to 190,260.80, 262,545.45 and 105,376.04 is: 145,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,260.80 : 262,545.45 = 105,376.04 : x
  2. Step 2: Convert to fraction form
    190,260.80/262,545.45 = 105,376.04/x
  3. Step 3: Cross multiply
    190,260.80x = 262,545.45 × 105,376.04
  4. Step 4: Simplify right side
    190,260.80x = 27,665,999,710.42
  5. Step 5: Solve for x
    x = 27,665,999,710.42/190,260.80
  6. Step 6: Final answer
    x = 145,410.93

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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.