Home / 211,975.61-292,526.51-115,180.20

Finding the Fourth Proportional to 211,975.61, 292,526.51 and 115,180.20

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Solution

The fourth proportional to 211,975.61, 292,526.51 and 115,180.20 is: 158,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,975.61 : 292,526.51 = 115,180.20 : x
  2. Step 2: Convert to fraction form
    211,975.61/292,526.51 = 115,180.20/x
  3. Step 3: Cross multiply
    211,975.61x = 292,526.51 × 115,180.20
  4. Step 4: Simplify right side
    211,975.61x = 33,693,261,351.20
  5. Step 5: Solve for x
    x = 33,693,261,351.20/211,975.61
  6. Step 6: Final answer
    x = 158,948.77

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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.