Home / 205,158.48-307,706.93-64,898.88

Finding the Fourth Proportional to 205,158.48, 307,706.93 and 64,898.88

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Solution

The fourth proportional to 205,158.48, 307,706.93 and 64,898.88 is: 97,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,158.48 : 307,706.93 = 64,898.88 : x
  2. Step 2: Convert to fraction form
    205,158.48/307,706.93 = 64,898.88/x
  3. Step 3: Cross multiply
    205,158.48x = 307,706.93 × 64,898.88
  4. Step 4: Simplify right side
    205,158.48x = 19,969,835,125.24
  5. Step 5: Solve for x
    x = 19,969,835,125.24/205,158.48
  6. Step 6: Final answer
    x = 97,338.58

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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.