Home / 199,008.60-274,421.40-153,693.96

Finding the Fourth Proportional to 199,008.60, 274,421.40 and 153,693.96

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Solution

The fourth proportional to 199,008.60, 274,421.40 and 153,693.96 is: 211,935.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,008.60 : 274,421.40 = 153,693.96 : x
  2. Step 2: Convert to fraction form
    199,008.60/274,421.40 = 153,693.96/x
  3. Step 3: Cross multiply
    199,008.60x = 274,421.40 × 153,693.96
  4. Step 4: Simplify right side
    199,008.60x = 42,176,911,674.74
  5. Step 5: Solve for x
    x = 42,176,911,674.74/199,008.60
  6. Step 6: Final answer
    x = 211,935.12

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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.