Home / 209,339.44-288,882.25-118,703.68

Finding the Fourth Proportional to 209,339.44, 288,882.25 and 118,703.68

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Solution

The fourth proportional to 209,339.44, 288,882.25 and 118,703.68 is: 163,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,339.44 : 288,882.25 = 118,703.68 : x
  2. Step 2: Convert to fraction form
    209,339.44/288,882.25 = 118,703.68/x
  3. Step 3: Cross multiply
    209,339.44x = 288,882.25 × 118,703.68
  4. Step 4: Simplify right side
    209,339.44x = 34,291,386,161.68
  5. Step 5: Solve for x
    x = 34,291,386,161.68/209,339.44
  6. Step 6: Final answer
    x = 163,807.58

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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.