Home / 209,518.71-289,130.27-114,023.35

Finding the Fourth Proportional to 209,518.71, 289,130.27 and 114,023.35

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Solution

The fourth proportional to 209,518.71, 289,130.27 and 114,023.35 is: 157,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,518.71 : 289,130.27 = 114,023.35 : x
  2. Step 2: Convert to fraction form
    209,518.71/289,130.27 = 114,023.35/x
  3. Step 3: Cross multiply
    209,518.71x = 289,130.27 × 114,023.35
  4. Step 4: Simplify right side
    209,518.71x = 32,967,601,971.80
  5. Step 5: Solve for x
    x = 32,967,601,971.80/209,518.71
  6. Step 6: Final answer
    x = 157,349.21

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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.