Home / 283,931.10-391,824.09-163,080.18

Finding the Fourth Proportional to 283,931.10, 391,824.09 and 163,080.18

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Solution

The fourth proportional to 283,931.10, 391,824.09 and 163,080.18 is: 225,050.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,931.10 : 391,824.09 = 163,080.18 : x
  2. Step 2: Convert to fraction form
    283,931.10/391,824.09 = 163,080.18/x
  3. Step 3: Cross multiply
    283,931.10x = 391,824.09 × 163,080.18
  4. Step 4: Simplify right side
    283,931.10x = 63,898,743,125.54
  5. Step 5: Solve for x
    x = 63,898,743,125.54/283,931.10
  6. Step 6: Final answer
    x = 225,050.17

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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.