Home / 251,113.17-346,538.72-136,392.92

Finding the Fourth Proportional to 251,113.17, 346,538.72 and 136,392.92

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Solution

The fourth proportional to 251,113.17, 346,538.72 and 136,392.92 is: 188,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,113.17 : 346,538.72 = 136,392.92 : x
  2. Step 2: Convert to fraction form
    251,113.17/346,538.72 = 136,392.92/x
  3. Step 3: Cross multiply
    251,113.17x = 346,538.72 × 136,392.92
  4. Step 4: Simplify right side
    251,113.17x = 47,265,428,780.21
  5. Step 5: Solve for x
    x = 47,265,428,780.21/251,113.17
  6. Step 6: Final answer
    x = 188,223.62

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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.