Home / 238,339.18-328,916.46-130,919.14

Finding the Fourth Proportional to 238,339.18, 328,916.46 and 130,919.14

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Solution

The fourth proportional to 238,339.18, 328,916.46 and 130,919.14 is: 180,673.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,339.18 : 328,916.46 = 130,919.14 : x
  2. Step 2: Convert to fraction form
    238,339.18/328,916.46 = 130,919.14/x
  3. Step 3: Cross multiply
    238,339.18x = 328,916.46 × 130,919.14
  4. Step 4: Simplify right side
    238,339.18x = 43,061,460,075.04
  5. Step 5: Solve for x
    x = 43,061,460,075.04/238,339.18
  6. Step 6: Final answer
    x = 180,673.02

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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.