Home / 187,541.04-281,029.50-75,109.80

Finding the Fourth Proportional to 187,541.04, 281,029.50 and 75,109.80

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Solution

The fourth proportional to 187,541.04, 281,029.50 and 75,109.80 is: 112,551.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,541.04 : 281,029.50 = 75,109.80 : x
  2. Step 2: Convert to fraction form
    187,541.04/281,029.50 = 75,109.80/x
  3. Step 3: Cross multiply
    187,541.04x = 281,029.50 × 75,109.80
  4. Step 4: Simplify right side
    187,541.04x = 21,108,069,539.10
  5. Step 5: Solve for x
    x = 21,108,069,539.10/187,541.04
  6. Step 6: Final answer
    x = 112,551.74

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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.