Home / 384,261.17-530,281.89-212,176.26

Finding the Fourth Proportional to 384,261.17, 530,281.89 and 212,176.26

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Solution

The fourth proportional to 384,261.17, 530,281.89 and 212,176.26 is: 292,804.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,261.17 : 530,281.89 = 212,176.26 : x
  2. Step 2: Convert to fraction form
    384,261.17/530,281.89 = 212,176.26/x
  3. Step 3: Cross multiply
    384,261.17x = 530,281.89 × 212,176.26
  4. Step 4: Simplify right side
    384,261.17x = 112,513,228,165.93
  5. Step 5: Solve for x
    x = 112,513,228,165.93/384,261.17
  6. Step 6: Final answer
    x = 292,804.06

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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.