Home / 151,098.59-208,509.64-83,111.26

Finding the Fourth Proportional to 151,098.59, 208,509.64 and 83,111.26

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Solution

The fourth proportional to 151,098.59, 208,509.64 and 83,111.26 is: 114,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,098.59 : 208,509.64 = 83,111.26 : x
  2. Step 2: Convert to fraction form
    151,098.59/208,509.64 = 83,111.26/x
  3. Step 3: Cross multiply
    151,098.59x = 208,509.64 × 83,111.26
  4. Step 4: Simplify right side
    151,098.59x = 17,329,498,902.55
  5. Step 5: Solve for x
    x = 17,329,498,902.55/151,098.59
  6. Step 6: Final answer
    x = 114,690.01

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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.