Home / 153,537.21-211,882.86-89,876.34

Finding the Fourth Proportional to 153,537.21, 211,882.86 and 89,876.34

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Solution

The fourth proportional to 153,537.21, 211,882.86 and 89,876.34 is: 124,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,537.21 : 211,882.86 = 89,876.34 : x
  2. Step 2: Convert to fraction form
    153,537.21/211,882.86 = 89,876.34/x
  3. Step 3: Cross multiply
    153,537.21x = 211,882.86 × 89,876.34
  4. Step 4: Simplify right side
    153,537.21x = 19,043,255,965.53
  5. Step 5: Solve for x
    x = 19,043,255,965.53/153,537.21
  6. Step 6: Final answer
    x = 124,030.23

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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.