Home / 190,261.17-262,545.97-105,376.41

Finding the Fourth Proportional to 190,261.17, 262,545.97 and 105,376.41

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Solution

The fourth proportional to 190,261.17, 262,545.97 and 105,376.41 is: 145,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,261.17 : 262,545.97 = 105,376.41 : x
  2. Step 2: Convert to fraction form
    190,261.17/262,545.97 = 105,376.41/x
  3. Step 3: Cross multiply
    190,261.17x = 262,545.97 × 105,376.41
  4. Step 4: Simplify right side
    190,261.17x = 27,666,152,499.67
  5. Step 5: Solve for x
    x = 27,666,152,499.67/190,261.17
  6. Step 6: Final answer
    x = 145,411.45

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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.