Home / 208,086.01-287,159.69-117,445.80

Finding the Fourth Proportional to 208,086.01, 287,159.69 and 117,445.80

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Solution

The fourth proportional to 208,086.01, 287,159.69 and 117,445.80 is: 162,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,086.01 : 287,159.69 = 117,445.80 : x
  2. Step 2: Convert to fraction form
    208,086.01/287,159.69 = 117,445.80/x
  3. Step 3: Cross multiply
    208,086.01x = 287,159.69 × 117,445.80
  4. Step 4: Simplify right side
    208,086.01x = 33,725,699,519.80
  5. Step 5: Solve for x
    x = 33,725,699,519.80/208,086.01
  6. Step 6: Final answer
    x = 162,075.77

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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.