Home / 171,348.02-257,095.54-66,240.80

Finding the Fourth Proportional to 171,348.02, 257,095.54 and 66,240.80

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Solution

The fourth proportional to 171,348.02, 257,095.54 and 66,240.80 is: 99,389.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,348.02 : 257,095.54 = 66,240.80 : x
  2. Step 2: Convert to fraction form
    171,348.02/257,095.54 = 66,240.80/x
  3. Step 3: Cross multiply
    171,348.02x = 257,095.54 × 66,240.80
  4. Step 4: Simplify right side
    171,348.02x = 17,030,214,246.03
  5. Step 5: Solve for x
    x = 17,030,214,246.03/171,348.02
  6. Step 6: Final answer
    x = 99,389.62

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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.