Home / 185,895.26-256,535.70-105,328.22

Finding the Fourth Proportional to 185,895.26, 256,535.70 and 105,328.22

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Solution

The fourth proportional to 185,895.26, 256,535.70 and 105,328.22 is: 145,353.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,895.26 : 256,535.70 = 105,328.22 : x
  2. Step 2: Convert to fraction form
    185,895.26/256,535.70 = 105,328.22/x
  3. Step 3: Cross multiply
    185,895.26x = 256,535.70 × 105,328.22
  4. Step 4: Simplify right side
    185,895.26x = 27,020,448,647.45
  5. Step 5: Solve for x
    x = 27,020,448,647.45/185,895.26
  6. Step 6: Final answer
    x = 145,353.08

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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.