Home / 343,813.02-515,776.23-144,148.20

Finding the Fourth Proportional to 343,813.02, 515,776.23 and 144,148.20

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Solution

The fourth proportional to 343,813.02, 515,776.23 and 144,148.20 is: 216,246.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,813.02 : 515,776.23 = 144,148.20 : x
  2. Step 2: Convert to fraction form
    343,813.02/515,776.23 = 144,148.20/x
  3. Step 3: Cross multiply
    343,813.02x = 515,776.23 × 144,148.20
  4. Step 4: Simplify right side
    343,813.02x = 74,348,215,157.29
  5. Step 5: Solve for x
    x = 74,348,215,157.29/343,813.02
  6. Step 6: Final answer
    x = 216,246.07

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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.