Home / 113,922.95-157,211.75-66,176.69

Finding the Fourth Proportional to 113,922.95, 157,211.75 and 66,176.69

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Solution

The fourth proportional to 113,922.95, 157,211.75 and 66,176.69 is: 91,322.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,922.95 : 157,211.75 = 66,176.69 : x
  2. Step 2: Convert to fraction form
    113,922.95/157,211.75 = 66,176.69/x
  3. Step 3: Cross multiply
    113,922.95x = 157,211.75 × 66,176.69
  4. Step 4: Simplify right side
    113,922.95x = 10,403,752,623.49
  5. Step 5: Solve for x
    x = 10,403,752,623.49/113,922.95
  6. Step 6: Final answer
    x = 91,322.71

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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.