Home / 189,457.29-261,451.07-104,574.37

Finding the Fourth Proportional to 189,457.29, 261,451.07 and 104,574.37

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Solution

The fourth proportional to 189,457.29, 261,451.07 and 104,574.37 is: 144,312.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,457.29 : 261,451.07 = 104,574.37 : x
  2. Step 2: Convert to fraction form
    189,457.29/261,451.07 = 104,574.37/x
  3. Step 3: Cross multiply
    189,457.29x = 261,451.07 × 104,574.37
  4. Step 4: Simplify right side
    189,457.29x = 27,341,080,931.08
  5. Step 5: Solve for x
    x = 27,341,080,931.08/189,457.29
  6. Step 6: Final answer
    x = 144,312.64

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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.