Home / 515,028.60-772,615.80-160,005.60

Finding the Fourth Proportional to 515,028.60, 772,615.80 and 160,005.60

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Solution

The fourth proportional to 515,028.60, 772,615.80 and 160,005.60 is: 240,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,028.60 : 772,615.80 = 160,005.60 : x
  2. Step 2: Convert to fraction form
    515,028.60/772,615.80 = 160,005.60/x
  3. Step 3: Cross multiply
    515,028.60x = 772,615.80 × 160,005.60
  4. Step 4: Simplify right side
    515,028.60x = 123,622,854,648.48
  5. Step 5: Solve for x
    x = 123,622,854,648.48/515,028.60
  6. Step 6: Final answer
    x = 240,031.05

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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.