Home / 153,536.06-211,880.19-89,017.80

Finding the Fourth Proportional to 153,536.06, 211,880.19 and 89,017.80

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Solution

The fourth proportional to 153,536.06, 211,880.19 and 89,017.80 is: 122,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,536.06 : 211,880.19 = 89,017.80 : x
  2. Step 2: Convert to fraction form
    153,536.06/211,880.19 = 89,017.80/x
  3. Step 3: Cross multiply
    153,536.06x = 211,880.19 × 89,017.80
  4. Step 4: Simplify right side
    153,536.06x = 18,861,108,377.38
  5. Step 5: Solve for x
    x = 18,861,108,377.38/153,536.06
  6. Step 6: Final answer
    x = 122,844.82

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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.