Home / 176,215.32-243,173.52-99,733.05

Finding the Fourth Proportional to 176,215.32, 243,173.52 and 99,733.05

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Solution

The fourth proportional to 176,215.32, 243,173.52 and 99,733.05 is: 137,629.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,215.32 : 243,173.52 = 99,733.05 : x
  2. Step 2: Convert to fraction form
    176,215.32/243,173.52 = 99,733.05/x
  3. Step 3: Cross multiply
    176,215.32x = 243,173.52 × 99,733.05
  4. Step 4: Simplify right side
    176,215.32x = 24,252,436,828.84
  5. Step 5: Solve for x
    x = 24,252,436,828.84/176,215.32
  6. Step 6: Final answer
    x = 137,629.56

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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.