Home / 445,972.95-615,444.29-242,023.82

Finding the Fourth Proportional to 445,972.95, 615,444.29 and 242,023.82

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Solution

The fourth proportional to 445,972.95, 615,444.29 and 242,023.82 is: 333,993.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,972.95 : 615,444.29 = 242,023.82 : x
  2. Step 2: Convert to fraction form
    445,972.95/615,444.29 = 242,023.82/x
  3. Step 3: Cross multiply
    445,972.95x = 615,444.29 × 242,023.82
  4. Step 4: Simplify right side
    445,972.95x = 148,952,175,314.26
  5. Step 5: Solve for x
    x = 148,952,175,314.26/445,972.95
  6. Step 6: Final answer
    x = 333,993.74

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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.