Home / 176,635.64-243,653.42-111,120.29

Finding the Fourth Proportional to 176,635.64, 243,653.42 and 111,120.29

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Solution

The fourth proportional to 176,635.64, 243,653.42 and 111,120.29 is: 153,280.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,635.64 : 243,653.42 = 111,120.29 : x
  2. Step 2: Convert to fraction form
    176,635.64/243,653.42 = 111,120.29/x
  3. Step 3: Cross multiply
    176,635.64x = 243,653.42 × 111,120.29
  4. Step 4: Simplify right side
    176,635.64x = 27,074,836,916.02
  5. Step 5: Solve for x
    x = 27,074,836,916.02/176,635.64
  6. Step 6: Final answer
    x = 153,280.71

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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.