Home / 136,468.84-204,685.98-53,421.16

Finding the Fourth Proportional to 136,468.84, 204,685.98 and 53,421.16

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Solution

The fourth proportional to 136,468.84, 204,685.98 and 53,421.16 is: 80,124.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,468.84 : 204,685.98 = 53,421.16 : x
  2. Step 2: Convert to fraction form
    136,468.84/204,685.98 = 53,421.16/x
  3. Step 3: Cross multiply
    136,468.84x = 204,685.98 × 53,421.16
  4. Step 4: Simplify right side
    136,468.84x = 10,934,562,487.34
  5. Step 5: Solve for x
    x = 10,934,562,487.34/136,468.84
  6. Step 6: Final answer
    x = 80,124.98

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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.