Home / 131,587.80-197,381.70-124,330.20

Finding the Fourth Proportional to 131,587.80, 197,381.70 and 124,330.20

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Solution

The fourth proportional to 131,587.80, 197,381.70 and 124,330.20 is: 186,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,587.80 : 197,381.70 = 124,330.20 : x
  2. Step 2: Convert to fraction form
    131,587.80/197,381.70 = 124,330.20/x
  3. Step 3: Cross multiply
    131,587.80x = 197,381.70 × 124,330.20
  4. Step 4: Simplify right side
    131,587.80x = 24,540,506,237.34
  5. Step 5: Solve for x
    x = 24,540,506,237.34/131,587.80
  6. Step 6: Final answer
    x = 186,495.30

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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.