Home / 205,059.13-307,586.85-64,817.80

Finding the Fourth Proportional to 205,059.13, 307,586.85 and 64,817.80

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Solution

The fourth proportional to 205,059.13, 307,586.85 and 64,817.80 is: 97,226.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,059.13 : 307,586.85 = 64,817.80 : x
  2. Step 2: Convert to fraction form
    205,059.13/307,586.85 = 64,817.80/x
  3. Step 3: Cross multiply
    205,059.13x = 307,586.85 × 64,817.80
  4. Step 4: Simplify right side
    205,059.13x = 19,937,102,925.93
  5. Step 5: Solve for x
    x = 19,937,102,925.93/205,059.13
  6. Step 6: Final answer
    x = 97,226.12

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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.