Home / 189,725.03-284,077.55-144,531.08

Finding the Fourth Proportional to 189,725.03, 284,077.55 and 144,531.08

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Solution

The fourth proportional to 189,725.03, 284,077.55 and 144,531.08 is: 216,408.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,725.03 : 284,077.55 = 144,531.08 : x
  2. Step 2: Convert to fraction form
    189,725.03/284,077.55 = 144,531.08/x
  3. Step 3: Cross multiply
    189,725.03x = 284,077.55 × 144,531.08
  4. Step 4: Simplify right side
    189,725.03x = 41,058,032,962.21
  5. Step 5: Solve for x
    x = 41,058,032,962.21/189,725.03
  6. Step 6: Final answer
    x = 216,408.10

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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.