Home / 283,814.30-391,643.69-156,487.16

Finding the Fourth Proportional to 283,814.30, 391,643.69 and 156,487.16

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Solution

The fourth proportional to 283,814.30, 391,643.69 and 156,487.16 is: 215,941.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,814.30 : 391,643.69 = 156,487.16 : x
  2. Step 2: Convert to fraction form
    283,814.30/391,643.69 = 156,487.16/x
  3. Step 3: Cross multiply
    283,814.30x = 391,643.69 × 156,487.16
  4. Step 4: Simplify right side
    283,814.30x = 61,287,206,039.37
  5. Step 5: Solve for x
    x = 61,287,206,039.37/283,814.30
  6. Step 6: Final answer
    x = 215,941.22

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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.