Home / 151,341.47-208,852.64-83,358.69

Finding the Fourth Proportional to 151,341.47, 208,852.64 and 83,358.69

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Solution

The fourth proportional to 151,341.47, 208,852.64 and 83,358.69 is: 115,035.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,341.47 : 208,852.64 = 83,358.69 : x
  2. Step 2: Convert to fraction form
    151,341.47/208,852.64 = 83,358.69/x
  3. Step 3: Cross multiply
    151,341.47x = 208,852.64 × 83,358.69
  4. Step 4: Simplify right side
    151,341.47x = 17,409,682,056.65
  5. Step 5: Solve for x
    x = 17,409,682,056.65/151,341.47
  6. Step 6: Final answer
    x = 115,035.77

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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.