Home / 153,344.16-211,615.20-89,670.24

Finding the Fourth Proportional to 153,344.16, 211,615.20 and 89,670.24

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Solution

The fourth proportional to 153,344.16, 211,615.20 and 89,670.24 is: 123,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,344.16 : 211,615.20 = 89,670.24 : x
  2. Step 2: Convert to fraction form
    153,344.16/211,615.20 = 89,670.24/x
  3. Step 3: Cross multiply
    153,344.16x = 211,615.20 × 89,670.24
  4. Step 4: Simplify right side
    153,344.16x = 18,975,585,771.65
  5. Step 5: Solve for x
    x = 18,975,585,771.65/153,344.16
  6. Step 6: Final answer
    x = 123,745.08

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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.