Home / 375,494.18-563,236.40-91,187.06

Finding the Fourth Proportional to 375,494.18, 563,236.40 and 91,187.06

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Solution

The fourth proportional to 375,494.18, 563,236.40 and 91,187.06 is: 136,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,494.18 : 563,236.40 = 91,187.06 : x
  2. Step 2: Convert to fraction form
    375,494.18/563,236.40 = 91,187.06/x
  3. Step 3: Cross multiply
    375,494.18x = 563,236.40 × 91,187.06
  4. Step 4: Simplify right side
    375,494.18x = 51,359,868,812.77
  5. Step 5: Solve for x
    x = 51,359,868,812.77/375,494.18
  6. Step 6: Final answer
    x = 136,779.40

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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.