Home / 145,985.44-201,459.54-82,322.76

Finding the Fourth Proportional to 145,985.44, 201,459.54 and 82,322.76

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Solution

The fourth proportional to 145,985.44, 201,459.54 and 82,322.76 is: 113,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,985.44 : 201,459.54 = 82,322.76 : x
  2. Step 2: Convert to fraction form
    145,985.44/201,459.54 = 82,322.76/x
  3. Step 3: Cross multiply
    145,985.44x = 201,459.54 × 82,322.76
  4. Step 4: Simplify right side
    145,985.44x = 16,584,705,361.13
  5. Step 5: Solve for x
    x = 16,584,705,361.13/145,985.44
  6. Step 6: Final answer
    x = 113,605.20

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1.5x scale

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.