Home / 179,068.22-247,114.29-103,616.72

Finding the Fourth Proportional to 179,068.22, 247,114.29 and 103,616.72

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Solution

The fourth proportional to 179,068.22, 247,114.29 and 103,616.72 is: 142,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,068.22 : 247,114.29 = 103,616.72 : x
  2. Step 2: Convert to fraction form
    179,068.22/247,114.29 = 103,616.72/x
  3. Step 3: Cross multiply
    179,068.22x = 247,114.29 × 103,616.72
  4. Step 4: Simplify right side
    179,068.22x = 25,605,172,274.60
  5. Step 5: Solve for x
    x = 25,605,172,274.60/179,068.22
  6. Step 6: Final answer
    x = 142,991.16

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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.