Home / 185,942.12-256,543.14-105,356.84

Finding the Fourth Proportional to 185,942.12, 256,543.14 and 105,356.84

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Solution

The fourth proportional to 185,942.12, 256,543.14 and 105,356.84 is: 145,360.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,942.12 : 256,543.14 = 105,356.84 : x
  2. Step 2: Convert to fraction form
    185,942.12/256,543.14 = 105,356.84/x
  3. Step 3: Cross multiply
    185,942.12x = 256,543.14 × 105,356.84
  4. Step 4: Simplify right side
    185,942.12x = 27,028,574,554.08
  5. Step 5: Solve for x
    x = 27,028,574,554.08/185,942.12
  6. Step 6: Final answer
    x = 145,360.15

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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.