Home / 211,557.80-317,038.26-116,830.64

Finding the Fourth Proportional to 211,557.80, 317,038.26 and 116,830.64

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Solution

The fourth proportional to 211,557.80, 317,038.26 and 116,830.64 is: 175,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,557.80 : 317,038.26 = 116,830.64 : x
  2. Step 2: Convert to fraction form
    211,557.80/317,038.26 = 116,830.64/x
  3. Step 3: Cross multiply
    211,557.80x = 317,038.26 × 116,830.64
  4. Step 4: Simplify right side
    211,557.80x = 37,039,782,820.29
  5. Step 5: Solve for x
    x = 37,039,782,820.29/211,557.80
  6. Step 6: Final answer
    x = 175,081.15

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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.