Home / 151,358.16-208,875.74-83,375.45

Finding the Fourth Proportional to 151,358.16, 208,875.74 and 83,375.45

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Solution

The fourth proportional to 151,358.16, 208,875.74 and 83,375.45 is: 115,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,358.16 : 208,875.74 = 83,375.45 : x
  2. Step 2: Convert to fraction form
    151,358.16/208,875.74 = 83,375.45/x
  3. Step 3: Cross multiply
    151,358.16x = 208,875.74 × 83,375.45
  4. Step 4: Simplify right side
    151,358.16x = 17,415,107,355.33
  5. Step 5: Solve for x
    x = 17,415,107,355.33/151,358.16
  6. Step 6: Final answer
    x = 115,058.93

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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.