Home / 150,955.74-208,099.37-105,492.57

Finding the Fourth Proportional to 150,955.74, 208,099.37 and 105,492.57

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Solution

The fourth proportional to 150,955.74, 208,099.37 and 105,492.57 is: 145,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,955.74 : 208,099.37 = 105,492.57 : x
  2. Step 2: Convert to fraction form
    150,955.74/208,099.37 = 105,492.57/x
  3. Step 3: Cross multiply
    150,955.74x = 208,099.37 × 105,492.57
  4. Step 4: Simplify right side
    150,955.74x = 21,952,937,356.68
  5. Step 5: Solve for x
    x = 21,952,937,356.68/150,955.74
  6. Step 6: Final answer
    x = 145,426.32

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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.