Home / 153,145.24-211,359.42-86,077.24

Finding the Fourth Proportional to 153,145.24, 211,359.42 and 86,077.24

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Solution

The fourth proportional to 153,145.24, 211,359.42 and 86,077.24 is: 118,797.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,145.24 : 211,359.42 = 86,077.24 : x
  2. Step 2: Convert to fraction form
    153,145.24/211,359.42 = 86,077.24/x
  3. Step 3: Cross multiply
    153,145.24x = 211,359.42 × 86,077.24
  4. Step 4: Simplify right side
    153,145.24x = 18,193,235,521.60
  5. Step 5: Solve for x
    x = 18,193,235,521.60/153,145.24
  6. Step 6: Final answer
    x = 118,797.26

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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.