Home / 186,825.86-257,752.31-143,818.50

Finding the Fourth Proportional to 186,825.86, 257,752.31 and 143,818.50

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Solution

The fourth proportional to 186,825.86, 257,752.31 and 143,818.50 is: 198,417.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,825.86 : 257,752.31 = 143,818.50 : x
  2. Step 2: Convert to fraction form
    186,825.86/257,752.31 = 143,818.50/x
  3. Step 3: Cross multiply
    186,825.86x = 257,752.31 × 143,818.50
  4. Step 4: Simplify right side
    186,825.86x = 37,069,550,595.74
  5. Step 5: Solve for x
    x = 37,069,550,595.74/186,825.86
  6. Step 6: Final answer
    x = 198,417.66

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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.