Home / 218,699.60-301,805.46-123,206.27

Finding the Fourth Proportional to 218,699.60, 301,805.46 and 123,206.27

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Solution

The fourth proportional to 218,699.60, 301,805.46 and 123,206.27 is: 170,024.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,699.60 : 301,805.46 = 123,206.27 : x
  2. Step 2: Convert to fraction form
    218,699.60/301,805.46 = 123,206.27/x
  3. Step 3: Cross multiply
    218,699.60x = 301,805.46 × 123,206.27
  4. Step 4: Simplify right side
    218,699.60x = 37,184,323,483.21
  5. Step 5: Solve for x
    x = 37,184,323,483.21/218,699.60
  6. Step 6: Final answer
    x = 170,024.66

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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.