Home / 301,117.20-415,541.73-166,981.20

Finding the Fourth Proportional to 301,117.20, 415,541.73 and 166,981.20

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Solution

The fourth proportional to 301,117.20, 415,541.73 and 166,981.20 is: 230,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,117.20 : 415,541.73 = 166,981.20 : x
  2. Step 2: Convert to fraction form
    301,117.20/415,541.73 = 166,981.20/x
  3. Step 3: Cross multiply
    301,117.20x = 415,541.73 × 166,981.20
  4. Step 4: Simplify right side
    301,117.20x = 69,387,656,725.48
  5. Step 5: Solve for x
    x = 69,387,656,725.48/301,117.20
  6. Step 6: Final answer
    x = 230,434.05

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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.