Home / 131,036.40-196,554.60-61,052.40

Finding the Fourth Proportional to 131,036.40, 196,554.60 and 61,052.40

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Solution

The fourth proportional to 131,036.40, 196,554.60 and 61,052.40 is: 91,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,036.40 : 196,554.60 = 61,052.40 : x
  2. Step 2: Convert to fraction form
    131,036.40/196,554.60 = 61,052.40/x
  3. Step 3: Cross multiply
    131,036.40x = 196,554.60 × 61,052.40
  4. Step 4: Simplify right side
    131,036.40x = 12,000,130,061.04
  5. Step 5: Solve for x
    x = 12,000,130,061.04/131,036.40
  6. Step 6: Final answer
    x = 91,578.60

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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.