Home / 186,248.30-279,415.83-53,130.38

Finding the Fourth Proportional to 186,248.30, 279,415.83 and 53,130.38

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Solution

The fourth proportional to 186,248.30, 279,415.83 and 53,130.38 is: 79,707.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,248.30 : 279,415.83 = 53,130.38 : x
  2. Step 2: Convert to fraction form
    186,248.30/279,415.83 = 53,130.38/x
  3. Step 3: Cross multiply
    186,248.30x = 279,415.83 × 53,130.38
  4. Step 4: Simplify right side
    186,248.30x = 14,845,469,225.92
  5. Step 5: Solve for x
    x = 14,845,469,225.92/186,248.30
  6. Step 6: Final answer
    x = 79,707.94

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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.