Home / 235,566.20-325,113.54-160,139

Finding the Fourth Proportional to 235,566.20, 325,113.54 and 160,139

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Solution

The fourth proportional to 235,566.20, 325,113.54 and 160,139 is: 221,013.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,566.20 : 325,113.54 = 160,139 : x
  2. Step 2: Convert to fraction form
    235,566.20/325,113.54 = 160,139/x
  3. Step 3: Cross multiply
    235,566.20x = 325,113.54 × 160,139
  4. Step 4: Simplify right side
    235,566.20x = 52,063,357,182.06
  5. Step 5: Solve for x
    x = 52,063,357,182.06/235,566.20
  6. Step 6: Final answer
    x = 221,013.70

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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.