Home / 105,938.16-146,195.54-58,192.58

Finding the Fourth Proportional to 105,938.16, 146,195.54 and 58,192.58

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Solution

The fourth proportional to 105,938.16, 146,195.54 and 58,192.58 is: 80,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,938.16 : 146,195.54 = 58,192.58 : x
  2. Step 2: Convert to fraction form
    105,938.16/146,195.54 = 58,192.58/x
  3. Step 3: Cross multiply
    105,938.16x = 146,195.54 × 58,192.58
  4. Step 4: Simplify right side
    105,938.16x = 8,507,495,657.09
  5. Step 5: Solve for x
    x = 8,507,495,657.09/105,938.16
  6. Step 6: Final answer
    x = 80,306.24

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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.