Home / 425,985.18-638,391.66-182,534.82

Finding the Fourth Proportional to 425,985.18, 638,391.66 and 182,534.82

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Solution

The fourth proportional to 425,985.18, 638,391.66 and 182,534.82 is: 273,551.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,985.18 : 638,391.66 = 182,534.82 : x
  2. Step 2: Convert to fraction form
    425,985.18/638,391.66 = 182,534.82/x
  3. Step 3: Cross multiply
    425,985.18x = 638,391.66 × 182,534.82
  4. Step 4: Simplify right side
    425,985.18x = 116,528,704,866.11
  5. Step 5: Solve for x
    x = 116,528,704,866.11/425,985.18
  6. Step 6: Final answer
    x = 273,551.08

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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.