Home / 116,255.42-160,437.75-68,510.78

Finding the Fourth Proportional to 116,255.42, 160,437.75 and 68,510.78

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Solution

The fourth proportional to 116,255.42, 160,437.75 and 68,510.78 is: 94,547.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,255.42 : 160,437.75 = 68,510.78 : x
  2. Step 2: Convert to fraction form
    116,255.42/160,437.75 = 68,510.78/x
  3. Step 3: Cross multiply
    116,255.42x = 160,437.75 × 68,510.78
  4. Step 4: Simplify right side
    116,255.42x = 10,991,715,393.95
  5. Step 5: Solve for x
    x = 10,991,715,393.95/116,255.42
  6. Step 6: Final answer
    x = 94,547.98

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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.