Home / 211,645.59-292,079.31-116,155.68

Finding the Fourth Proportional to 211,645.59, 292,079.31 and 116,155.68

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Solution

The fourth proportional to 211,645.59, 292,079.31 and 116,155.68 is: 160,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,645.59 : 292,079.31 = 116,155.68 : x
  2. Step 2: Convert to fraction form
    211,645.59/292,079.31 = 116,155.68/x
  3. Step 3: Cross multiply
    211,645.59x = 292,079.31 × 116,155.68
  4. Step 4: Simplify right side
    211,645.59x = 33,926,670,866.98
  5. Step 5: Solve for x
    x = 33,926,670,866.98/211,645.59
  6. Step 6: Final answer
    x = 160,299.45

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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.