Home / 370,435.17-555,322.77-133,725.18

Finding the Fourth Proportional to 370,435.17, 555,322.77 and 133,725.18

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Solution

The fourth proportional to 370,435.17, 555,322.77 and 133,725.18 is: 200,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,435.17 : 555,322.77 = 133,725.18 : x
  2. Step 2: Convert to fraction form
    370,435.17/555,322.77 = 133,725.18/x
  3. Step 3: Cross multiply
    370,435.17x = 555,322.77 × 133,725.18
  4. Step 4: Simplify right side
    370,435.17x = 74,260,637,376.35
  5. Step 5: Solve for x
    x = 74,260,637,376.35/370,435.17
  6. Step 6: Final answer
    x = 200,468.65

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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.