Home / 153,581.89-211,945.13-85,596.97

Finding the Fourth Proportional to 153,581.89, 211,945.13 and 85,596.97

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Solution

The fourth proportional to 153,581.89, 211,945.13 and 85,596.97 is: 118,125.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,581.89 : 211,945.13 = 85,596.97 : x
  2. Step 2: Convert to fraction form
    153,581.89/211,945.13 = 85,596.97/x
  3. Step 3: Cross multiply
    153,581.89x = 211,945.13 × 85,596.97
  4. Step 4: Simplify right side
    153,581.89x = 18,141,860,934.26
  5. Step 5: Solve for x
    x = 18,141,860,934.26/153,581.89
  6. Step 6: Final answer
    x = 118,125.00

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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.