Home / 209,595.60-314,195.76-104,315.04

Finding the Fourth Proportional to 209,595.60, 314,195.76 and 104,315.04

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Solution

The fourth proportional to 209,595.60, 314,195.76 and 104,315.04 is: 156,374.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,595.60 : 314,195.76 = 104,315.04 : x
  2. Step 2: Convert to fraction form
    209,595.60/314,195.76 = 104,315.04/x
  3. Step 3: Cross multiply
    209,595.60x = 314,195.76 × 104,315.04
  4. Step 4: Simplify right side
    209,595.60x = 32,775,343,272.23
  5. Step 5: Solve for x
    x = 32,775,343,272.23/209,595.60
  6. Step 6: Final answer
    x = 156,374.20

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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.