Home / 187,153.14-280,699.56-52,220.70

Finding the Fourth Proportional to 187,153.14, 280,699.56 and 52,220.70

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Solution

The fourth proportional to 187,153.14, 280,699.56 and 52,220.70 is: 78,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,153.14 : 280,699.56 = 52,220.70 : x
  2. Step 2: Convert to fraction form
    187,153.14/280,699.56 = 52,220.70/x
  3. Step 3: Cross multiply
    187,153.14x = 280,699.56 × 52,220.70
  4. Step 4: Simplify right side
    187,153.14x = 14,658,327,512.89
  5. Step 5: Solve for x
    x = 14,658,327,512.89/187,153.14
  6. Step 6: Final answer
    x = 78,322.64

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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.