Home / 210,984.04-316,465.08-53,213.86

Finding the Fourth Proportional to 210,984.04, 316,465.08 and 53,213.86

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Solution

The fourth proportional to 210,984.04, 316,465.08 and 53,213.86 is: 79,818.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,984.04 : 316,465.08 = 53,213.86 : x
  2. Step 2: Convert to fraction form
    210,984.04/316,465.08 = 53,213.86/x
  3. Step 3: Cross multiply
    210,984.04x = 316,465.08 × 53,213.86
  4. Step 4: Simplify right side
    210,984.04x = 16,840,328,462.01
  5. Step 5: Solve for x
    x = 16,840,328,462.01/210,984.04
  6. Step 6: Final answer
    x = 79,818.02

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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.