Home / 185,723.04-256,313.66-105,164.76

Finding the Fourth Proportional to 185,723.04, 256,313.66 and 105,164.76

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Solution

The fourth proportional to 185,723.04, 256,313.66 and 105,164.76 is: 145,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,723.04 : 256,313.66 = 105,164.76 : x
  2. Step 2: Convert to fraction form
    185,723.04/256,313.66 = 105,164.76/x
  3. Step 3: Cross multiply
    185,723.04x = 256,313.66 × 105,164.76
  4. Step 4: Simplify right side
    185,723.04x = 26,955,164,012.80
  5. Step 5: Solve for x
    x = 26,955,164,012.80/185,723.04
  6. Step 6: Final answer
    x = 145,136.35

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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.