Home / 211,176.94-291,424.16-115,683.60

Finding the Fourth Proportional to 211,176.94, 291,424.16 and 115,683.60

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Solution

The fourth proportional to 211,176.94, 291,424.16 and 115,683.60 is: 159,643.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,176.94 : 291,424.16 = 115,683.60 : x
  2. Step 2: Convert to fraction form
    211,176.94/291,424.16 = 115,683.60/x
  3. Step 3: Cross multiply
    211,176.94x = 291,424.16 × 115,683.60
  4. Step 4: Simplify right side
    211,176.94x = 33,712,995,955.78
  5. Step 5: Solve for x
    x = 33,712,995,955.78/211,176.94
  6. Step 6: Final answer
    x = 159,643.36

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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.