Home / 151,881.54-209,595.18-83,903.24

Finding the Fourth Proportional to 151,881.54, 209,595.18 and 83,903.24

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Solution

The fourth proportional to 151,881.54, 209,595.18 and 83,903.24 is: 115,785.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,881.54 : 209,595.18 = 83,903.24 : x
  2. Step 2: Convert to fraction form
    151,881.54/209,595.18 = 83,903.24/x
  3. Step 3: Cross multiply
    151,881.54x = 209,595.18 × 83,903.24
  4. Step 4: Simplify right side
    151,881.54x = 17,585,714,690.38
  5. Step 5: Solve for x
    x = 17,585,714,690.38/151,881.54
  6. Step 6: Final answer
    x = 115,785.73

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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.