Home / 208,385.52-287,573.13-112,892.46

Finding the Fourth Proportional to 208,385.52, 287,573.13 and 112,892.46

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Solution

The fourth proportional to 208,385.52, 287,573.13 and 112,892.46 is: 155,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,385.52 : 287,573.13 = 112,892.46 : x
  2. Step 2: Convert to fraction form
    208,385.52/287,573.13 = 112,892.46/x
  3. Step 3: Cross multiply
    208,385.52x = 287,573.13 × 112,892.46
  4. Step 4: Simplify right side
    208,385.52x = 32,464,838,075.60
  5. Step 5: Solve for x
    x = 32,464,838,075.60/208,385.52
  6. Step 6: Final answer
    x = 155,792.20

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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.