Home / 194,886.13-268,943.75-105,462.13

Finding the Fourth Proportional to 194,886.13, 268,943.75 and 105,462.13

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Solution

The fourth proportional to 194,886.13, 268,943.75 and 105,462.13 is: 145,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,886.13 : 268,943.75 = 105,462.13 : x
  2. Step 2: Convert to fraction form
    194,886.13/268,943.75 = 105,462.13/x
  3. Step 3: Cross multiply
    194,886.13x = 268,943.75 × 105,462.13
  4. Step 4: Simplify right side
    194,886.13x = 28,363,380,725.19
  5. Step 5: Solve for x
    x = 28,363,380,725.19/194,886.13
  6. Step 6: Final answer
    x = 145,538.22

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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.