Home / 209,535.02-289,158.32-114,042.40

Finding the Fourth Proportional to 209,535.02, 289,158.32 and 114,042.40

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Solution

The fourth proportional to 209,535.02, 289,158.32 and 114,042.40 is: 157,378.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,535.02 : 289,158.32 = 114,042.40 : x
  2. Step 2: Convert to fraction form
    209,535.02/289,158.32 = 114,042.40/x
  3. Step 3: Cross multiply
    209,535.02x = 289,158.32 × 114,042.40
  4. Step 4: Simplify right side
    209,535.02x = 32,976,307,346.98
  5. Step 5: Solve for x
    x = 32,976,307,346.98/209,535.02
  6. Step 6: Final answer
    x = 157,378.50

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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.