Home / 148,658.10-223,021.20-64,432.40

Finding the Fourth Proportional to 148,658.10, 223,021.20 and 64,432.40

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Solution

The fourth proportional to 148,658.10, 223,021.20 and 64,432.40 is: 96,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,658.10 : 223,021.20 = 64,432.40 : x
  2. Step 2: Convert to fraction form
    148,658.10/223,021.20 = 64,432.40/x
  3. Step 3: Cross multiply
    148,658.10x = 223,021.20 × 64,432.40
  4. Step 4: Simplify right side
    148,658.10x = 14,369,791,166.88
  5. Step 5: Solve for x
    x = 14,369,791,166.88/148,658.10
  6. Step 6: Final answer
    x = 96,663.36

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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.