Home / 187,022.80-280,534.20-117,038.80

Finding the Fourth Proportional to 187,022.80, 280,534.20 and 117,038.80

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Solution

The fourth proportional to 187,022.80, 280,534.20 and 117,038.80 is: 175,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,022.80 : 280,534.20 = 117,038.80 : x
  2. Step 2: Convert to fraction form
    187,022.80/280,534.20 = 117,038.80/x
  3. Step 3: Cross multiply
    187,022.80x = 280,534.20 × 117,038.80
  4. Step 4: Simplify right side
    187,022.80x = 32,833,386,126.96
  5. Step 5: Solve for x
    x = 32,833,386,126.96/187,022.80
  6. Step 6: Final answer
    x = 175,558.20

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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.