Home / 189,386.19-284,118.15-56,254.59

Finding the Fourth Proportional to 189,386.19, 284,118.15 and 56,254.59

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Solution

The fourth proportional to 189,386.19, 284,118.15 and 56,254.59 is: 84,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,386.19 : 284,118.15 = 56,254.59 : x
  2. Step 2: Convert to fraction form
    189,386.19/284,118.15 = 56,254.59/x
  3. Step 3: Cross multiply
    189,386.19x = 284,118.15 × 56,254.59
  4. Step 4: Simplify right side
    189,386.19x = 15,982,950,039.81
  5. Step 5: Solve for x
    x = 15,982,950,039.81/189,386.19
  6. Step 6: Final answer
    x = 84,393.43

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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.