Home / 208,292.90-287,444.22-112,799.84

Finding the Fourth Proportional to 208,292.90, 287,444.22 and 112,799.84

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Solution

The fourth proportional to 208,292.90, 287,444.22 and 112,799.84 is: 155,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,292.90 : 287,444.22 = 112,799.84 : x
  2. Step 2: Convert to fraction form
    208,292.90/287,444.22 = 112,799.84/x
  3. Step 3: Cross multiply
    208,292.90x = 287,444.22 × 112,799.84
  4. Step 4: Simplify right side
    208,292.90x = 32,423,662,024.92
  5. Step 5: Solve for x
    x = 32,423,662,024.92/208,292.90
  6. Step 6: Final answer
    x = 155,663.79

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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.