Home / 147,585.29-221,393.76-40,969.70

Finding the Fourth Proportional to 147,585.29, 221,393.76 and 40,969.70

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Solution

The fourth proportional to 147,585.29, 221,393.76 and 40,969.70 is: 61,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,585.29 : 221,393.76 = 40,969.70 : x
  2. Step 2: Convert to fraction form
    147,585.29/221,393.76 = 40,969.70/x
  3. Step 3: Cross multiply
    147,585.29x = 221,393.76 × 40,969.70
  4. Step 4: Simplify right side
    147,585.29x = 9,070,435,929.07
  5. Step 5: Solve for x
    x = 9,070,435,929.07/147,585.29
  6. Step 6: Final answer
    x = 61,458.94

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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.