Home / 189,570.48-261,605.16-104,685.84

Finding the Fourth Proportional to 189,570.48, 261,605.16 and 104,685.84

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Solution

The fourth proportional to 189,570.48, 261,605.16 and 104,685.84 is: 144,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,570.48 : 261,605.16 = 104,685.84 : x
  2. Step 2: Convert to fraction form
    189,570.48/261,605.16 = 104,685.84/x
  3. Step 3: Cross multiply
    189,570.48x = 261,605.16 × 104,685.84
  4. Step 4: Simplify right side
    189,570.48x = 27,386,355,922.93
  5. Step 5: Solve for x
    x = 27,386,355,922.93/189,570.48
  6. Step 6: Final answer
    x = 144,465.30

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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.