Home / 153,519.45-211,848.39-84,595.34

Finding the Fourth Proportional to 153,519.45, 211,848.39 and 84,595.34

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Solution

The fourth proportional to 153,519.45, 211,848.39 and 84,595.34 is: 116,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,519.45 : 211,848.39 = 84,595.34 : x
  2. Step 2: Convert to fraction form
    153,519.45/211,848.39 = 84,595.34/x
  3. Step 3: Cross multiply
    153,519.45x = 211,848.39 × 84,595.34
  4. Step 4: Simplify right side
    153,519.45x = 17,921,386,580.50
  5. Step 5: Solve for x
    x = 17,921,386,580.50/153,519.45
  6. Step 6: Final answer
    x = 116,736.91

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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.