Home / 187,386.71-281,099.75-61,036.80

Finding the Fourth Proportional to 187,386.71, 281,099.75 and 61,036.80

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Solution

The fourth proportional to 187,386.71, 281,099.75 and 61,036.80 is: 91,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,386.71 : 281,099.75 = 61,036.80 : x
  2. Step 2: Convert to fraction form
    187,386.71/281,099.75 = 61,036.80/x
  3. Step 3: Cross multiply
    187,386.71x = 281,099.75 × 61,036.80
  4. Step 4: Simplify right side
    187,386.71x = 17,157,428,915.62
  5. Step 5: Solve for x
    x = 17,157,428,915.62/187,386.71
  6. Step 6: Final answer
    x = 91,561.61

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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.