Home / 105,988.32-146,267.28-58,246.08

Finding the Fourth Proportional to 105,988.32, 146,267.28 and 58,246.08

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Solution

The fourth proportional to 105,988.32, 146,267.28 and 58,246.08 is: 80,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,988.32 : 146,267.28 = 58,246.08 : x
  2. Step 2: Convert to fraction form
    105,988.32/146,267.28 = 58,246.08/x
  3. Step 3: Cross multiply
    105,988.32x = 146,267.28 × 58,246.08
  4. Step 4: Simplify right side
    105,988.32x = 8,519,495,692.26
  5. Step 5: Solve for x
    x = 8,519,495,692.26/105,988.32
  6. Step 6: Final answer
    x = 80,381.46

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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.