Home / 147,596.06-221,458.89-77,458.97

Finding the Fourth Proportional to 147,596.06, 221,458.89 and 77,458.97

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Solution

The fourth proportional to 147,596.06, 221,458.89 and 77,458.97 is: 116,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,596.06 : 221,458.89 = 77,458.97 : x
  2. Step 2: Convert to fraction form
    147,596.06/221,458.89 = 77,458.97/x
  3. Step 3: Cross multiply
    147,596.06x = 221,458.89 × 77,458.97
  4. Step 4: Simplify right side
    147,596.06x = 17,153,977,516.74
  5. Step 5: Solve for x
    x = 17,153,977,516.74/147,596.06
  6. Step 6: Final answer
    x = 116,222.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.