Home / 163,913.30-245,869.95-162,358.10

Finding the Fourth Proportional to 163,913.30, 245,869.95 and 162,358.10

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Solution

The fourth proportional to 163,913.30, 245,869.95 and 162,358.10 is: 243,537.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,913.30 : 245,869.95 = 162,358.10 : x
  2. Step 2: Convert to fraction form
    163,913.30/245,869.95 = 162,358.10/x
  3. Step 3: Cross multiply
    163,913.30x = 245,869.95 × 162,358.10
  4. Step 4: Simplify right side
    163,913.30x = 39,918,977,929.10
  5. Step 5: Solve for x
    x = 39,918,977,929.10/163,913.30
  6. Step 6: Final answer
    x = 243,537.15

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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.