Home / 410,038.83-615,102-173,405.43

Finding the Fourth Proportional to 410,038.83, 615,102 and 173,405.43

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Solution

The fourth proportional to 410,038.83, 615,102 and 173,405.43 is: 260,126.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,038.83 : 615,102 = 173,405.43 : x
  2. Step 2: Convert to fraction form
    410,038.83/615,102 = 173,405.43/x
  3. Step 3: Cross multiply
    410,038.83x = 615,102 × 173,405.43
  4. Step 4: Simplify right side
    410,038.83x = 106,662,026,803.86
  5. Step 5: Solve for x
    x = 106,662,026,803.86/410,038.83
  6. Step 6: Final answer
    x = 260,126.65

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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.