Home / 209,890.04-289,648.36-119,246.16

Finding the Fourth Proportional to 209,890.04, 289,648.36 and 119,246.16

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Solution

The fourth proportional to 209,890.04, 289,648.36 and 119,246.16 is: 164,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,890.04 : 289,648.36 = 119,246.16 : x
  2. Step 2: Convert to fraction form
    209,890.04/289,648.36 = 119,246.16/x
  3. Step 3: Cross multiply
    209,890.04x = 289,648.36 × 119,246.16
  4. Step 4: Simplify right side
    209,890.04x = 34,539,453,615.51
  5. Step 5: Solve for x
    x = 34,539,453,615.51/209,890.04
  6. Step 6: Final answer
    x = 164,559.75

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1.5x scale

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.