Home / 209,435.08-289,011.90-113,941.84

Finding the Fourth Proportional to 209,435.08, 289,011.90 and 113,941.84

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Solution

The fourth proportional to 209,435.08, 289,011.90 and 113,941.84 is: 157,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,435.08 : 289,011.90 = 113,941.84 : x
  2. Step 2: Convert to fraction form
    209,435.08/289,011.90 = 113,941.84/x
  3. Step 3: Cross multiply
    209,435.08x = 289,011.90 × 113,941.84
  4. Step 4: Simplify right side
    209,435.08x = 32,930,547,667.90
  5. Step 5: Solve for x
    x = 32,930,547,667.90/209,435.08
  6. Step 6: Final answer
    x = 157,235.11

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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.