Home / 345,962.24-477,427.68-186,986.24

Finding the Fourth Proportional to 345,962.24, 477,427.68 and 186,986.24

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Solution

The fourth proportional to 345,962.24, 477,427.68 and 186,986.24 is: 258,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,962.24 : 477,427.68 = 186,986.24 : x
  2. Step 2: Convert to fraction form
    345,962.24/477,427.68 = 186,986.24/x
  3. Step 3: Cross multiply
    345,962.24x = 477,427.68 × 186,986.24
  4. Step 4: Simplify right side
    345,962.24x = 89,272,406,755.12
  5. Step 5: Solve for x
    x = 89,272,406,755.12/345,962.24
  6. Step 6: Final answer
    x = 258,040.90

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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.