Home / 356,026.23-534,038.13-145,664.17

Finding the Fourth Proportional to 356,026.23, 534,038.13 and 145,664.17

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Solution

The fourth proportional to 356,026.23, 534,038.13 and 145,664.17 is: 218,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,026.23 : 534,038.13 = 145,664.17 : x
  2. Step 2: Convert to fraction form
    356,026.23/534,038.13 = 145,664.17/x
  3. Step 3: Cross multiply
    356,026.23x = 534,038.13 × 145,664.17
  4. Step 4: Simplify right side
    356,026.23x = 77,790,219,619.71
  5. Step 5: Solve for x
    x = 77,790,219,619.71/356,026.23
  6. Step 6: Final answer
    x = 218,495.75

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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.