Home / 223,030.19-307,782.08-127,536.86

Finding the Fourth Proportional to 223,030.19, 307,782.08 and 127,536.86

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Solution

The fourth proportional to 223,030.19, 307,782.08 and 127,536.86 is: 176,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,030.19 : 307,782.08 = 127,536.86 : x
  2. Step 2: Convert to fraction form
    223,030.19/307,782.08 = 127,536.86/x
  3. Step 3: Cross multiply
    223,030.19x = 307,782.08 × 127,536.86
  4. Step 4: Simplify right side
    223,030.19x = 39,253,560,657.50
  5. Step 5: Solve for x
    x = 39,253,560,657.50/223,030.19
  6. Step 6: Final answer
    x = 176,001.11

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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.