Home / 209,333.71-288,877.80-113,838.36

Finding the Fourth Proportional to 209,333.71, 288,877.80 and 113,838.36

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Solution

The fourth proportional to 209,333.71, 288,877.80 and 113,838.36 is: 157,095.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,333.71 : 288,877.80 = 113,838.36 : x
  2. Step 2: Convert to fraction form
    209,333.71/288,877.80 = 113,838.36/x
  3. Step 3: Cross multiply
    209,333.71x = 288,877.80 × 113,838.36
  4. Step 4: Simplify right side
    209,333.71x = 32,885,374,992.41
  5. Step 5: Solve for x
    x = 32,885,374,992.41/209,333.71
  6. Step 6: Final answer
    x = 157,095.46

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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.