Home / 211,250.04-316,875.60-53,478.51

Finding the Fourth Proportional to 211,250.04, 316,875.60 and 53,478.51

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Solution

The fourth proportional to 211,250.04, 316,875.60 and 53,478.51 is: 80,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,250.04 : 316,875.60 = 53,478.51 : x
  2. Step 2: Convert to fraction form
    211,250.04/316,875.60 = 53,478.51/x
  3. Step 3: Cross multiply
    211,250.04x = 316,875.60 × 53,478.51
  4. Step 4: Simplify right side
    211,250.04x = 16,946,034,943.36
  5. Step 5: Solve for x
    x = 16,946,034,943.36/211,250.04
  6. Step 6: Final answer
    x = 80,217.90

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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.