Home / 153,192.50-211,405.66-89,583.74

Finding the Fourth Proportional to 153,192.50, 211,405.66 and 89,583.74

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Solution

The fourth proportional to 153,192.50, 211,405.66 and 89,583.74 is: 123,625.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,192.50 : 211,405.66 = 89,583.74 : x
  2. Step 2: Convert to fraction form
    153,192.50/211,405.66 = 89,583.74/x
  3. Step 3: Cross multiply
    153,192.50x = 211,405.66 × 89,583.74
  4. Step 4: Simplify right side
    153,192.50x = 18,938,509,679.97
  5. Step 5: Solve for x
    x = 18,938,509,679.97/153,192.50
  6. Step 6: Final answer
    x = 123,625.57

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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.