Home / 189,486.07-284,190.66-69,502.18

Finding the Fourth Proportional to 189,486.07, 284,190.66 and 69,502.18

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Solution

The fourth proportional to 189,486.07, 284,190.66 and 69,502.18 is: 104,239.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,486.07 : 284,190.66 = 69,502.18 : x
  2. Step 2: Convert to fraction form
    189,486.07/284,190.66 = 69,502.18/x
  3. Step 3: Cross multiply
    189,486.07x = 284,190.66 × 69,502.18
  4. Step 4: Simplify right side
    189,486.07x = 19,751,870,950.71
  5. Step 5: Solve for x
    x = 19,751,870,950.71/189,486.07
  6. Step 6: Final answer
    x = 104,239.17

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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.