Home / 113,537.60-170,306.40-77,902.40

Finding the Fourth Proportional to 113,537.60, 170,306.40 and 77,902.40

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Solution

The fourth proportional to 113,537.60, 170,306.40 and 77,902.40 is: 116,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,537.60 : 170,306.40 = 77,902.40 : x
  2. Step 2: Convert to fraction form
    113,537.60/170,306.40 = 77,902.40/x
  3. Step 3: Cross multiply
    113,537.60x = 170,306.40 × 77,902.40
  4. Step 4: Simplify right side
    113,537.60x = 13,267,277,295.36
  5. Step 5: Solve for x
    x = 13,267,277,295.36/113,537.60
  6. Step 6: Final answer
    x = 116,853.60

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1.5x scale

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.