Home / 209,187.34-288,666.51-113,693.26

Finding the Fourth Proportional to 209,187.34, 288,666.51 and 113,693.26

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Solution

The fourth proportional to 209,187.34, 288,666.51 and 113,693.26 is: 156,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,187.34 : 288,666.51 = 113,693.26 : x
  2. Step 2: Convert to fraction form
    209,187.34/288,666.51 = 113,693.26/x
  3. Step 3: Cross multiply
    209,187.34x = 288,666.51 × 113,693.26
  4. Step 4: Simplify right side
    209,187.34x = 32,819,436,574.72
  5. Step 5: Solve for x
    x = 32,819,436,574.72/209,187.34
  6. Step 6: Final answer
    x = 156,890.17

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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.