Home / 187,313.40-280,970.10-186,001.20

Finding the Fourth Proportional to 187,313.40, 280,970.10 and 186,001.20

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Solution

The fourth proportional to 187,313.40, 280,970.10 and 186,001.20 is: 279,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,313.40 : 280,970.10 = 186,001.20 : x
  2. Step 2: Convert to fraction form
    187,313.40/280,970.10 = 186,001.20/x
  3. Step 3: Cross multiply
    187,313.40x = 280,970.10 × 186,001.20
  4. Step 4: Simplify right side
    187,313.40x = 52,260,775,764.12
  5. Step 5: Solve for x
    x = 52,260,775,764.12/187,313.40
  6. Step 6: Final answer
    x = 279,001.80

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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.