Home / 328,340.07-453,089.77-190,508.36

Finding the Fourth Proportional to 328,340.07, 453,089.77 and 190,508.36

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Solution

The fourth proportional to 328,340.07, 453,089.77 and 190,508.36 is: 262,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,340.07 : 453,089.77 = 190,508.36 : x
  2. Step 2: Convert to fraction form
    328,340.07/453,089.77 = 190,508.36/x
  3. Step 3: Cross multiply
    328,340.07x = 453,089.77 × 190,508.36
  4. Step 4: Simplify right side
    328,340.07x = 86,317,386,273.76
  5. Step 5: Solve for x
    x = 86,317,386,273.76/328,340.07
  6. Step 6: Final answer
    x = 262,890.20

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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.