Home / 223,199.04-307,808.64-151,685.76

Finding the Fourth Proportional to 223,199.04, 307,808.64 and 151,685.76

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Solution

The fourth proportional to 223,199.04, 307,808.64 and 151,685.76 is: 209,186.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,199.04 : 307,808.64 = 151,685.76 : x
  2. Step 2: Convert to fraction form
    223,199.04/307,808.64 = 151,685.76/x
  3. Step 3: Cross multiply
    223,199.04x = 307,808.64 × 151,685.76
  4. Step 4: Simplify right side
    223,199.04x = 46,690,187,492.97
  5. Step 5: Solve for x
    x = 46,690,187,492.97/223,199.04
  6. Step 6: Final answer
    x = 209,186.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.