Home / 208,648.14-287,934.75-113,154.18

Finding the Fourth Proportional to 208,648.14, 287,934.75 and 113,154.18

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Solution

The fourth proportional to 208,648.14, 287,934.75 and 113,154.18 is: 156,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,648.14 : 287,934.75 = 113,154.18 : x
  2. Step 2: Convert to fraction form
    208,648.14/287,934.75 = 113,154.18/x
  3. Step 3: Cross multiply
    208,648.14x = 287,934.75 × 113,154.18
  4. Step 4: Simplify right side
    208,648.14x = 32,581,020,529.76
  5. Step 5: Solve for x
    x = 32,581,020,529.76/208,648.14
  6. Step 6: Final answer
    x = 156,152.94

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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.