Home / 151,114.04-208,530.80-83,126.70

Finding the Fourth Proportional to 151,114.04, 208,530.80 and 83,126.70

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Solution

The fourth proportional to 151,114.04, 208,530.80 and 83,126.70 is: 114,711.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,114.04 : 208,530.80 = 83,126.70 : x
  2. Step 2: Convert to fraction form
    151,114.04/208,530.80 = 83,126.70/x
  3. Step 3: Cross multiply
    151,114.04x = 208,530.80 × 83,126.70
  4. Step 4: Simplify right side
    151,114.04x = 17,334,476,914.66
  5. Step 5: Solve for x
    x = 17,334,476,914.66/151,114.04
  6. Step 6: Final answer
    x = 114,711.23

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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.