Home / 415,525.20-623,320.20-178,875.60

Finding the Fourth Proportional to 415,525.20, 623,320.20 and 178,875.60

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Solution

The fourth proportional to 415,525.20, 623,320.20 and 178,875.60 is: 268,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,525.20 : 623,320.20 = 178,875.60 : x
  2. Step 2: Convert to fraction form
    415,525.20/623,320.20 = 178,875.60/x
  3. Step 3: Cross multiply
    415,525.20x = 623,320.20 × 178,875.60
  4. Step 4: Simplify right side
    415,525.20x = 111,496,774,767.12
  5. Step 5: Solve for x
    x = 111,496,774,767.12/415,525.20
  6. Step 6: Final answer
    x = 268,327.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.