Home / 314,090.82-433,456.68-179,980.74

Finding the Fourth Proportional to 314,090.82, 433,456.68 and 179,980.74

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Solution

The fourth proportional to 314,090.82, 433,456.68 and 179,980.74 is: 248,379.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,090.82 : 433,456.68 = 179,980.74 : x
  2. Step 2: Convert to fraction form
    314,090.82/433,456.68 = 179,980.74/x
  3. Step 3: Cross multiply
    314,090.82x = 433,456.68 × 179,980.74
  4. Step 4: Simplify right side
    314,090.82x = 78,013,854,024.34
  5. Step 5: Solve for x
    x = 78,013,854,024.34/314,090.82
  6. Step 6: Final answer
    x = 248,379.92

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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.