Home / 153,147.24-211,362.18-86,079.24

Finding the Fourth Proportional to 153,147.24, 211,362.18 and 86,079.24

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Solution

The fourth proportional to 153,147.24, 211,362.18 and 86,079.24 is: 118,800.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,147.24 : 211,362.18 = 86,079.24 : x
  2. Step 2: Convert to fraction form
    153,147.24/211,362.18 = 86,079.24/x
  3. Step 3: Cross multiply
    153,147.24x = 211,362.18 × 86,079.24
  4. Step 4: Simplify right side
    153,147.24x = 18,193,895,819.14
  5. Step 5: Solve for x
    x = 18,193,895,819.14/153,147.24
  6. Step 6: Final answer
    x = 118,800.02

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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.