Home / 251,258.14-346,738.40-136,536.76

Finding the Fourth Proportional to 251,258.14, 346,738.40 and 136,536.76

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Solution

The fourth proportional to 251,258.14, 346,738.40 and 136,536.76 is: 188,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,258.14 : 346,738.40 = 136,536.76 : x
  2. Step 2: Convert to fraction form
    251,258.14/346,738.40 = 136,536.76/x
  3. Step 3: Cross multiply
    251,258.14x = 346,738.40 × 136,536.76
  4. Step 4: Simplify right side
    251,258.14x = 47,342,537,703.58
  5. Step 5: Solve for x
    x = 47,342,537,703.58/251,258.14
  6. Step 6: Final answer
    x = 188,421.91

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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.