Home / 255,916.08-353,109.45-147,033.76

Finding the Fourth Proportional to 255,916.08, 353,109.45 and 147,033.76

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Solution

The fourth proportional to 255,916.08, 353,109.45 and 147,033.76 is: 202,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,916.08 : 353,109.45 = 147,033.76 : x
  2. Step 2: Convert to fraction form
    255,916.08/353,109.45 = 147,033.76/x
  3. Step 3: Cross multiply
    255,916.08x = 353,109.45 × 147,033.76
  4. Step 4: Simplify right side
    255,916.08x = 51,919,009,049.06
  5. Step 5: Solve for x
    x = 51,919,009,049.06/255,916.08
  6. Step 6: Final answer
    x = 202,875.13

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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.