Home / 153,237.78-211,470.06-84,335.17

Finding the Fourth Proportional to 153,237.78, 211,470.06 and 84,335.17

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Solution

The fourth proportional to 153,237.78, 211,470.06 and 84,335.17 is: 116,383.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,237.78 : 211,470.06 = 84,335.17 : x
  2. Step 2: Convert to fraction form
    153,237.78/211,470.06 = 84,335.17/x
  3. Step 3: Cross multiply
    153,237.78x = 211,470.06 × 84,335.17
  4. Step 4: Simplify right side
    153,237.78x = 17,834,363,460.01
  5. Step 5: Solve for x
    x = 17,834,363,460.01/153,237.78
  6. Step 6: Final answer
    x = 116,383.59

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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.