Home / 223,017.96-307,762.16-121,043.60

Finding the Fourth Proportional to 223,017.96, 307,762.16 and 121,043.60

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Solution

The fourth proportional to 223,017.96, 307,762.16 and 121,043.60 is: 167,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,017.96 : 307,762.16 = 121,043.60 : x
  2. Step 2: Convert to fraction form
    223,017.96/307,762.16 = 121,043.60/x
  3. Step 3: Cross multiply
    223,017.96x = 307,762.16 × 121,043.60
  4. Step 4: Simplify right side
    223,017.96x = 37,252,639,790.18
  5. Step 5: Solve for x
    x = 37,252,639,790.18/223,017.96
  6. Step 6: Final answer
    x = 167,038.74

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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.