Home / 179,446.16-247,580.88-103,980.08

Finding the Fourth Proportional to 179,446.16, 247,580.88 and 103,980.08

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Solution

The fourth proportional to 179,446.16, 247,580.88 and 103,980.08 is: 143,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,446.16 : 247,580.88 = 103,980.08 : x
  2. Step 2: Convert to fraction form
    179,446.16/247,580.88 = 103,980.08/x
  3. Step 3: Cross multiply
    179,446.16x = 247,580.88 × 103,980.08
  4. Step 4: Simplify right side
    179,446.16x = 25,743,479,708.87
  5. Step 5: Solve for x
    x = 25,743,479,708.87/179,446.16
  6. Step 6: Final answer
    x = 143,460.74

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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.