Home / 157,185.48-216,917.80-85,566.76

Finding the Fourth Proportional to 157,185.48, 216,917.80 and 85,566.76

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Solution

The fourth proportional to 157,185.48, 216,917.80 and 85,566.76 is: 118,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,185.48 : 216,917.80 = 85,566.76 : x
  2. Step 2: Convert to fraction form
    157,185.48/216,917.80 = 85,566.76/x
  3. Step 3: Cross multiply
    157,185.48x = 216,917.80 × 85,566.76
  4. Step 4: Simplify right side
    157,185.48x = 18,560,953,332.33
  5. Step 5: Solve for x
    x = 18,560,953,332.33/157,185.48
  6. Step 6: Final answer
    x = 118,083.13

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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.