Home / 176,728.32-243,804.72-105,067.68

Finding the Fourth Proportional to 176,728.32, 243,804.72 and 105,067.68

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Solution

The fourth proportional to 176,728.32, 243,804.72 and 105,067.68 is: 144,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,728.32 : 243,804.72 = 105,067.68 : x
  2. Step 2: Convert to fraction form
    176,728.32/243,804.72 = 105,067.68/x
  3. Step 3: Cross multiply
    176,728.32x = 243,804.72 × 105,067.68
  4. Step 4: Simplify right side
    176,728.32x = 25,615,996,303.45
  5. Step 5: Solve for x
    x = 25,615,996,303.45/176,728.32
  6. Step 6: Final answer
    x = 144,945.62

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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.