Home / 109,254.29-163,881.43-39,182.81

Finding the Fourth Proportional to 109,254.29, 163,881.43 and 39,182.81

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Solution

The fourth proportional to 109,254.29, 163,881.43 and 39,182.81 is: 58,774.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,254.29 : 163,881.43 = 39,182.81 : x
  2. Step 2: Convert to fraction form
    109,254.29/163,881.43 = 39,182.81/x
  3. Step 3: Cross multiply
    109,254.29x = 163,881.43 × 39,182.81
  4. Step 4: Simplify right side
    109,254.29x = 6,421,334,934.22
  5. Step 5: Solve for x
    x = 6,421,334,934.22/109,254.29
  6. Step 6: Final answer
    x = 58,774.21

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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.