Home / 209,919.53-289,678.01-119,262.91

Finding the Fourth Proportional to 209,919.53, 289,678.01 and 119,262.91

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Solution

The fourth proportional to 209,919.53, 289,678.01 and 119,262.91 is: 164,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,919.53 : 289,678.01 = 119,262.91 : x
  2. Step 2: Convert to fraction form
    209,919.53/289,678.01 = 119,262.91/x
  3. Step 3: Cross multiply
    209,919.53x = 289,678.01 × 119,262.91
  4. Step 4: Simplify right side
    209,919.53x = 34,547,840,987.22
  5. Step 5: Solve for x
    x = 34,547,840,987.22/209,919.53
  6. Step 6: Final answer
    x = 164,576.60

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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.