Home / 103,864.02-143,328.27-58,551.20

Finding the Fourth Proportional to 103,864.02, 143,328.27 and 58,551.20

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Solution

The fourth proportional to 103,864.02, 143,328.27 and 58,551.20 is: 80,798.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,864.02 : 143,328.27 = 58,551.20 : x
  2. Step 2: Convert to fraction form
    103,864.02/143,328.27 = 58,551.20/x
  3. Step 3: Cross multiply
    103,864.02x = 143,328.27 × 58,551.20
  4. Step 4: Simplify right side
    103,864.02x = 8,392,042,202.42
  5. Step 5: Solve for x
    x = 8,392,042,202.42/103,864.02
  6. Step 6: Final answer
    x = 80,798.36

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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.