Home / 105,886.96-146,126.36-58,140.49

Finding the Fourth Proportional to 105,886.96, 146,126.36 and 58,140.49

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Solution

The fourth proportional to 105,886.96, 146,126.36 and 58,140.49 is: 80,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,886.96 : 146,126.36 = 58,140.49 : x
  2. Step 2: Convert to fraction form
    105,886.96/146,126.36 = 58,140.49/x
  3. Step 3: Cross multiply
    105,886.96x = 146,126.36 × 58,140.49
  4. Step 4: Simplify right side
    105,886.96x = 8,495,858,172.32
  5. Step 5: Solve for x
    x = 8,495,858,172.32/105,886.96
  6. Step 6: Final answer
    x = 80,235.17

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1.5x scale

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.