Home / 176,139.40-264,248.10-51,490.12

Finding the Fourth Proportional to 176,139.40, 264,248.10 and 51,490.12

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Solution

The fourth proportional to 176,139.40, 264,248.10 and 51,490.12 is: 77,246.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,139.40 : 264,248.10 = 51,490.12 : x
  2. Step 2: Convert to fraction form
    176,139.40/264,248.10 = 51,490.12/x
  3. Step 3: Cross multiply
    176,139.40x = 264,248.10 × 51,490.12
  4. Step 4: Simplify right side
    176,139.40x = 13,606,166,378.77
  5. Step 5: Solve for x
    x = 13,606,166,378.77/176,139.40
  6. Step 6: Final answer
    x = 77,246.58

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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.