Home / 223,742.16-308,736.12-151,302.66

Finding the Fourth Proportional to 223,742.16, 308,736.12 and 151,302.66

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Solution

The fourth proportional to 223,742.16, 308,736.12 and 151,302.66 is: 208,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,742.16 : 308,736.12 = 151,302.66 : x
  2. Step 2: Convert to fraction form
    223,742.16/308,736.12 = 151,302.66/x
  3. Step 3: Cross multiply
    223,742.16x = 308,736.12 × 151,302.66
  4. Step 4: Simplify right side
    223,742.16x = 46,712,596,194.08
  5. Step 5: Solve for x
    x = 46,712,596,194.08/223,742.16
  6. Step 6: Final answer
    x = 208,778.70

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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.