Home / 145,196.94-217,805.01-38,579.34

Finding the Fourth Proportional to 145,196.94, 217,805.01 and 38,579.34

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Solution

The fourth proportional to 145,196.94, 217,805.01 and 38,579.34 is: 57,871.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,196.94 : 217,805.01 = 38,579.34 : x
  2. Step 2: Convert to fraction form
    145,196.94/217,805.01 = 38,579.34/x
  3. Step 3: Cross multiply
    145,196.94x = 217,805.01 × 38,579.34
  4. Step 4: Simplify right side
    145,196.94x = 8,402,773,534.49
  5. Step 5: Solve for x
    x = 8,402,773,534.49/145,196.94
  6. Step 6: Final answer
    x = 57,871.56

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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.