Home / 190,186.84-262,466.04-105,303.91

Finding the Fourth Proportional to 190,186.84, 262,466.04 and 105,303.91

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Solution

The fourth proportional to 190,186.84, 262,466.04 and 105,303.91 is: 145,323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,186.84 : 262,466.04 = 105,303.91 : x
  2. Step 2: Convert to fraction form
    190,186.84/262,466.04 = 105,303.91/x
  3. Step 3: Cross multiply
    190,186.84x = 262,466.04 × 105,303.91
  4. Step 4: Simplify right side
    190,186.84x = 27,638,700,254.22
  5. Step 5: Solve for x
    x = 27,638,700,254.22/190,186.84
  6. Step 6: Final answer
    x = 145,323.94

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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.