Home / 185,838.39-256,457.07-100,955.52

Finding the Fourth Proportional to 185,838.39, 256,457.07 and 100,955.52

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Solution

The fourth proportional to 185,838.39, 256,457.07 and 100,955.52 is: 139,318.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,838.39 : 256,457.07 = 100,955.52 : x
  2. Step 2: Convert to fraction form
    185,838.39/256,457.07 = 100,955.52/x
  3. Step 3: Cross multiply
    185,838.39x = 256,457.07 × 100,955.52
  4. Step 4: Simplify right side
    185,838.39x = 25,890,756,859.53
  5. Step 5: Solve for x
    x = 25,890,756,859.53/185,838.39
  6. Step 6: Final answer
    x = 139,318.67

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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.