Home / 628,165.16-942,253.30-178,885.68

Finding the Fourth Proportional to 628,165.16, 942,253.30 and 178,885.68

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Solution

The fourth proportional to 628,165.16, 942,253.30 and 178,885.68 is: 268,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,165.16 : 942,253.30 = 178,885.68 : x
  2. Step 2: Convert to fraction form
    628,165.16/942,253.30 = 178,885.68/x
  3. Step 3: Cross multiply
    628,165.16x = 942,253.30 × 178,885.68
  4. Step 4: Simplify right side
    628,165.16x = 168,555,622,302.74
  5. Step 5: Solve for x
    x = 168,555,622,302.74/628,165.16
  6. Step 6: Final answer
    x = 268,330.10

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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.