Home / 257,610.40-385,897.20-173,629.60

Finding the Fourth Proportional to 257,610.40, 385,897.20 and 173,629.60

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Solution

The fourth proportional to 257,610.40, 385,897.20 and 173,629.60 is: 260,095.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,610.40 : 385,897.20 = 173,629.60 : x
  2. Step 2: Convert to fraction form
    257,610.40/385,897.20 = 173,629.60/x
  3. Step 3: Cross multiply
    257,610.40x = 385,897.20 × 173,629.60
  4. Step 4: Simplify right side
    257,610.40x = 67,003,176,477.12
  5. Step 5: Solve for x
    x = 67,003,176,477.12/257,610.40
  6. Step 6: Final answer
    x = 260,095.00

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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.