Home / 151,458.40-209,004.06-83,475.17

Finding the Fourth Proportional to 151,458.40, 209,004.06 and 83,475.17

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Solution

The fourth proportional to 151,458.40, 209,004.06 and 83,475.17 is: 115,191.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,458.40 : 209,004.06 = 83,475.17 : x
  2. Step 2: Convert to fraction form
    151,458.40/209,004.06 = 83,475.17/x
  3. Step 3: Cross multiply
    151,458.40x = 209,004.06 × 83,475.17
  4. Step 4: Simplify right side
    151,458.40x = 17,446,649,439.19
  5. Step 5: Solve for x
    x = 17,446,649,439.19/151,458.40
  6. Step 6: Final answer
    x = 115,191.03

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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.