Home / 235,005.12-324,306.32-127,574.40

Finding the Fourth Proportional to 235,005.12, 324,306.32 and 127,574.40

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Solution

The fourth proportional to 235,005.12, 324,306.32 and 127,574.40 is: 176,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,005.12 : 324,306.32 = 127,574.40 : x
  2. Step 2: Convert to fraction form
    235,005.12/324,306.32 = 127,574.40/x
  3. Step 3: Cross multiply
    235,005.12x = 324,306.32 × 127,574.40
  4. Step 4: Simplify right side
    235,005.12x = 41,373,184,190.21
  5. Step 5: Solve for x
    x = 41,373,184,190.21/235,005.12
  6. Step 6: Final answer
    x = 176,052.27

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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.