Home / 211,088.75-291,302.90-114,293.66

Finding the Fourth Proportional to 211,088.75, 291,302.90 and 114,293.66

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Solution

The fourth proportional to 211,088.75, 291,302.90 and 114,293.66 is: 157,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,088.75 : 291,302.90 = 114,293.66 : x
  2. Step 2: Convert to fraction form
    211,088.75/291,302.90 = 114,293.66/x
  3. Step 3: Cross multiply
    211,088.75x = 291,302.90 × 114,293.66
  4. Step 4: Simplify right side
    211,088.75x = 33,294,072,581.63
  5. Step 5: Solve for x
    x = 33,294,072,581.63/211,088.75
  6. Step 6: Final answer
    x = 157,725.48

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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.