Home / 190,186.46-262,457.34-105,303.53

Finding the Fourth Proportional to 190,186.46, 262,457.34 and 105,303.53

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Solution

The fourth proportional to 190,186.46, 262,457.34 and 105,303.53 is: 145,318.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,186.46 : 262,457.34 = 105,303.53 : x
  2. Step 2: Convert to fraction form
    190,186.46/262,457.34 = 105,303.53/x
  3. Step 3: Cross multiply
    190,186.46x = 262,457.34 × 105,303.53
  4. Step 4: Simplify right side
    190,186.46x = 27,637,683,457.51
  5. Step 5: Solve for x
    x = 27,637,683,457.51/190,186.46
  6. Step 6: Final answer
    x = 145,318.88

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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.