Home / 189,577.17-261,617.76-103,533.93

Finding the Fourth Proportional to 189,577.17, 261,617.76 and 103,533.93

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Solution

The fourth proportional to 189,577.17, 261,617.76 and 103,533.93 is: 142,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,577.17 : 261,617.76 = 103,533.93 : x
  2. Step 2: Convert to fraction form
    189,577.17/261,617.76 = 103,533.93/x
  3. Step 3: Cross multiply
    189,577.17x = 261,617.76 × 103,533.93
  4. Step 4: Simplify right side
    189,577.17x = 27,086,314,850.60
  5. Step 5: Solve for x
    x = 27,086,314,850.60/189,577.17
  6. Step 6: Final answer
    x = 142,877.51

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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.