Home / 173,835.60-260,243.10-129,658.20

Finding the Fourth Proportional to 173,835.60, 260,243.10 and 129,658.20

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Solution

The fourth proportional to 173,835.60, 260,243.10 and 129,658.20 is: 194,106.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,835.60 : 260,243.10 = 129,658.20 : x
  2. Step 2: Convert to fraction form
    173,835.60/260,243.10 = 129,658.20/x
  3. Step 3: Cross multiply
    173,835.60x = 260,243.10 × 129,658.20
  4. Step 4: Simplify right side
    173,835.60x = 33,742,651,908.42
  5. Step 5: Solve for x
    x = 33,742,651,908.42/173,835.60
  6. Step 6: Final answer
    x = 194,106.68

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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.