Home / 187,911.92-258,970.74-133,466.55

Finding the Fourth Proportional to 187,911.92, 258,970.74 and 133,466.55

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Solution

The fourth proportional to 187,911.92, 258,970.74 and 133,466.55 is: 183,936.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,911.92 : 258,970.74 = 133,466.55 : x
  2. Step 2: Convert to fraction form
    187,911.92/258,970.74 = 133,466.55/x
  3. Step 3: Cross multiply
    187,911.92x = 258,970.74 × 133,466.55
  4. Step 4: Simplify right side
    187,911.92x = 34,563,931,218.75
  5. Step 5: Solve for x
    x = 34,563,931,218.75/187,911.92
  6. Step 6: Final answer
    x = 183,936.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.