Home / 189,152.96-261,032.90-104,273.06

Finding the Fourth Proportional to 189,152.96, 261,032.90 and 104,273.06

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Solution

The fourth proportional to 189,152.96, 261,032.90 and 104,273.06 is: 143,897.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,152.96 : 261,032.90 = 104,273.06 : x
  2. Step 2: Convert to fraction form
    189,152.96/261,032.90 = 104,273.06/x
  3. Step 3: Cross multiply
    189,152.96x = 261,032.90 × 104,273.06
  4. Step 4: Simplify right side
    189,152.96x = 27,218,697,417.14
  5. Step 5: Solve for x
    x = 27,218,697,417.14/189,152.96
  6. Step 6: Final answer
    x = 143,897.82

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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.