Home / 153,346.36-211,622.68-83,500.28

Finding the Fourth Proportional to 153,346.36, 211,622.68 and 83,500.28

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Solution

The fourth proportional to 153,346.36, 211,622.68 and 83,500.28 is: 115,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,346.36 : 211,622.68 = 83,500.28 : x
  2. Step 2: Convert to fraction form
    153,346.36/211,622.68 = 83,500.28/x
  3. Step 3: Cross multiply
    153,346.36x = 211,622.68 × 83,500.28
  4. Step 4: Simplify right side
    153,346.36x = 17,670,553,034.35
  5. Step 5: Solve for x
    x = 17,670,553,034.35/153,346.36
  6. Step 6: Final answer
    x = 115,232.95

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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.