Home / 187,135.74-280,699.48-52,196.25

Finding the Fourth Proportional to 187,135.74, 280,699.48 and 52,196.25

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Solution

The fourth proportional to 187,135.74, 280,699.48 and 52,196.25 is: 78,293.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,135.74 : 280,699.48 = 52,196.25 : x
  2. Step 2: Convert to fraction form
    187,135.74/280,699.48 = 52,196.25/x
  3. Step 3: Cross multiply
    187,135.74x = 280,699.48 × 52,196.25
  4. Step 4: Simplify right side
    187,135.74x = 14,651,459,478.28
  5. Step 5: Solve for x
    x = 14,651,459,478.28/187,135.74
  6. Step 6: Final answer
    x = 78,293.22

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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.