Home / 283,931.64-391,853.16-212,187.24

Finding the Fourth Proportional to 283,931.64, 391,853.16 and 212,187.24

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Solution

The fourth proportional to 283,931.64, 391,853.16 and 212,187.24 is: 292,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,931.64 : 391,853.16 = 212,187.24 : x
  2. Step 2: Convert to fraction form
    283,931.64/391,853.16 = 212,187.24/x
  3. Step 3: Cross multiply
    283,931.64x = 391,853.16 × 212,187.24
  4. Step 4: Simplify right side
    283,931.64x = 83,146,240,505.68
  5. Step 5: Solve for x
    x = 83,146,240,505.68/283,931.64
  6. Step 6: Final answer
    x = 292,838.94

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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.