Home / 283,756.48-391,586.96-156,436.63

Finding the Fourth Proportional to 283,756.48, 391,586.96 and 156,436.63

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Solution

The fourth proportional to 283,756.48, 391,586.96 and 156,436.63 is: 215,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,756.48 : 391,586.96 = 156,436.63 : x
  2. Step 2: Convert to fraction form
    283,756.48/391,586.96 = 156,436.63/x
  3. Step 3: Cross multiply
    283,756.48x = 391,586.96 × 156,436.63
  4. Step 4: Simplify right side
    283,756.48x = 61,258,544,374.34
  5. Step 5: Solve for x
    x = 61,258,544,374.34/283,756.48
  6. Step 6: Final answer
    x = 215,884.21

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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.