Home / 331,515.66-457,492.14-188,275.62

Finding the Fourth Proportional to 331,515.66, 457,492.14 and 188,275.62

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Solution

The fourth proportional to 331,515.66, 457,492.14 and 188,275.62 is: 259,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,515.66 : 457,492.14 = 188,275.62 : x
  2. Step 2: Convert to fraction form
    331,515.66/457,492.14 = 188,275.62/x
  3. Step 3: Cross multiply
    331,515.66x = 457,492.14 × 188,275.62
  4. Step 4: Simplify right side
    331,515.66x = 86,134,616,303.63
  5. Step 5: Solve for x
    x = 86,134,616,303.63/331,515.66
  6. Step 6: Final answer
    x = 259,820.66

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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.