Home / 144,895.04-217,189.92-82,430.72

Finding the Fourth Proportional to 144,895.04, 217,189.92 and 82,430.72

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Solution

The fourth proportional to 144,895.04, 217,189.92 and 82,430.72 is: 123,559.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,895.04 : 217,189.92 = 82,430.72 : x
  2. Step 2: Convert to fraction form
    144,895.04/217,189.92 = 82,430.72/x
  3. Step 3: Cross multiply
    144,895.04x = 217,189.92 × 82,430.72
  4. Step 4: Simplify right side
    144,895.04x = 17,903,121,482.34
  5. Step 5: Solve for x
    x = 17,903,121,482.34/144,895.04
  6. Step 6: Final answer
    x = 123,559.24

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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.