Home / 153,118.19-211,312.67-85,150.37

Finding the Fourth Proportional to 153,118.19, 211,312.67 and 85,150.37

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Solution

The fourth proportional to 153,118.19, 211,312.67 and 85,150.37 is: 117,512.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,118.19 : 211,312.67 = 85,150.37 : x
  2. Step 2: Convert to fraction form
    153,118.19/211,312.67 = 85,150.37/x
  3. Step 3: Cross multiply
    153,118.19x = 211,312.67 × 85,150.37
  4. Step 4: Simplify right side
    153,118.19x = 17,993,352,036.19
  5. Step 5: Solve for x
    x = 17,993,352,036.19/153,118.19
  6. Step 6: Final answer
    x = 117,512.83

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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.