Home / 105,252.02-145,246.09-57,504.34

Finding the Fourth Proportional to 105,252.02, 145,246.09 and 57,504.34

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Solution

The fourth proportional to 105,252.02, 145,246.09 and 57,504.34 is: 79,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,252.02 : 145,246.09 = 57,504.34 : x
  2. Step 2: Convert to fraction form
    105,252.02/145,246.09 = 57,504.34/x
  3. Step 3: Cross multiply
    105,252.02x = 145,246.09 × 57,504.34
  4. Step 4: Simplify right side
    105,252.02x = 8,352,280,543.03
  5. Step 5: Solve for x
    x = 8,352,280,543.03/105,252.02
  6. Step 6: Final answer
    x = 79,355.06

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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.