Home / 355,005.10-532,248.45-144,534.70

Finding the Fourth Proportional to 355,005.10, 532,248.45 and 144,534.70

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Solution

The fourth proportional to 355,005.10, 532,248.45 and 144,534.70 is: 216,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,005.10 : 532,248.45 = 144,534.70 : x
  2. Step 2: Convert to fraction form
    355,005.10/532,248.45 = 144,534.70/x
  3. Step 3: Cross multiply
    355,005.10x = 532,248.45 × 144,534.70
  4. Step 4: Simplify right side
    355,005.10x = 76,928,370,046.22
  5. Step 5: Solve for x
    x = 76,928,370,046.22/355,005.10
  6. Step 6: Final answer
    x = 216,696.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.