Home / 186,915.18-258,004.47-148,744.74

Finding the Fourth Proportional to 186,915.18, 258,004.47 and 148,744.74

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Solution

The fourth proportional to 186,915.18, 258,004.47 and 148,744.74 is: 205,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,915.18 : 258,004.47 = 148,744.74 : x
  2. Step 2: Convert to fraction form
    186,915.18/258,004.47 = 148,744.74/x
  3. Step 3: Cross multiply
    186,915.18x = 258,004.47 × 148,744.74
  4. Step 4: Simplify right side
    186,915.18x = 38,376,807,808.99
  5. Step 5: Solve for x
    x = 38,376,807,808.99/186,915.18
  6. Step 6: Final answer
    x = 205,316.70

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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.