Home / 151,437.03-208,980.58-82,527.40

Finding the Fourth Proportional to 151,437.03, 208,980.58 and 82,527.40

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Solution

The fourth proportional to 151,437.03, 208,980.58 and 82,527.40 is: 113,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,437.03 : 208,980.58 = 82,527.40 : x
  2. Step 2: Convert to fraction form
    151,437.03/208,980.58 = 82,527.40/x
  3. Step 3: Cross multiply
    151,437.03x = 208,980.58 × 82,527.40
  4. Step 4: Simplify right side
    151,437.03x = 17,246,623,917.89
  5. Step 5: Solve for x
    x = 17,246,623,917.89/151,437.03
  6. Step 6: Final answer
    x = 113,886.44

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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.