Home / 151,595.63-209,283.99-91,179.76

Finding the Fourth Proportional to 151,595.63, 209,283.99 and 91,179.76

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Solution

The fourth proportional to 151,595.63, 209,283.99 and 91,179.76 is: 125,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,595.63 : 209,283.99 = 91,179.76 : x
  2. Step 2: Convert to fraction form
    151,595.63/209,283.99 = 91,179.76/x
  3. Step 3: Cross multiply
    151,595.63x = 209,283.99 × 91,179.76
  4. Step 4: Simplify right side
    151,595.63x = 19,082,463,980.04
  5. Step 5: Solve for x
    x = 19,082,463,980.04/151,595.63
  6. Step 6: Final answer
    x = 125,877.40

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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.