Home / 211,628.81-292,051.32-116,144.39

Finding the Fourth Proportional to 211,628.81, 292,051.32 and 116,144.39

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Solution

The fourth proportional to 211,628.81, 292,051.32 and 116,144.39 is: 160,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,628.81 : 292,051.32 = 116,144.39 : x
  2. Step 2: Convert to fraction form
    211,628.81/292,051.32 = 116,144.39/x
  3. Step 3: Cross multiply
    211,628.81x = 292,051.32 × 116,144.39
  4. Step 4: Simplify right side
    211,628.81x = 33,920,122,410.09
  5. Step 5: Solve for x
    x = 33,920,122,410.09/211,628.81
  6. Step 6: Final answer
    x = 160,281.21

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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.