Home / 117,172.08-175,758.12-28,424.16

Finding the Fourth Proportional to 117,172.08, 175,758.12 and 28,424.16

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Solution

The fourth proportional to 117,172.08, 175,758.12 and 28,424.16 is: 42,636.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,172.08 : 175,758.12 = 28,424.16 : x
  2. Step 2: Convert to fraction form
    117,172.08/175,758.12 = 28,424.16/x
  3. Step 3: Cross multiply
    117,172.08x = 175,758.12 × 28,424.16
  4. Step 4: Simplify right side
    117,172.08x = 4,995,776,924.18
  5. Step 5: Solve for x
    x = 4,995,776,924.18/117,172.08
  6. Step 6: Final answer
    x = 42,636.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.