Home / 105,554.04-145,676.25-60,243.18

Finding the Fourth Proportional to 105,554.04, 145,676.25 and 60,243.18

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Solution

The fourth proportional to 105,554.04, 145,676.25 and 60,243.18 is: 83,142.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,554.04 : 145,676.25 = 60,243.18 : x
  2. Step 2: Convert to fraction form
    105,554.04/145,676.25 = 60,243.18/x
  3. Step 3: Cross multiply
    105,554.04x = 145,676.25 × 60,243.18
  4. Step 4: Simplify right side
    105,554.04x = 8,776,000,550.48
  5. Step 5: Solve for x
    x = 8,776,000,550.48/105,554.04
  6. Step 6: Final answer
    x = 83,142.25

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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.