Home / 283,856.20-391,703.70-156,532.84

Finding the Fourth Proportional to 283,856.20, 391,703.70 and 156,532.84

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Solution

The fourth proportional to 283,856.20, 391,703.70 and 156,532.84 is: 216,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,856.20 : 391,703.70 = 156,532.84 : x
  2. Step 2: Convert to fraction form
    283,856.20/391,703.70 = 156,532.84/x
  3. Step 3: Cross multiply
    283,856.20x = 391,703.70 × 156,532.84
  4. Step 4: Simplify right side
    283,856.20x = 61,314,492,599.51
  5. Step 5: Solve for x
    x = 61,314,492,599.51/283,856.20
  6. Step 6: Final answer
    x = 216,005.47

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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.