Home / 105,087.40-157,631.10-96,485.80

Finding the Fourth Proportional to 105,087.40, 157,631.10 and 96,485.80

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Solution

The fourth proportional to 105,087.40, 157,631.10 and 96,485.80 is: 144,728.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,087.40 : 157,631.10 = 96,485.80 : x
  2. Step 2: Convert to fraction form
    105,087.40/157,631.10 = 96,485.80/x
  3. Step 3: Cross multiply
    105,087.40x = 157,631.10 × 96,485.80
  4. Step 4: Simplify right side
    105,087.40x = 15,209,162,788.38
  5. Step 5: Solve for x
    x = 15,209,162,788.38/105,087.40
  6. Step 6: Final answer
    x = 144,728.70

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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.