Home / 147,686.42-221,518.86-57,712.22

Finding the Fourth Proportional to 147,686.42, 221,518.86 and 57,712.22

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Solution

The fourth proportional to 147,686.42, 221,518.86 and 57,712.22 is: 86,564.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,686.42 : 221,518.86 = 57,712.22 : x
  2. Step 2: Convert to fraction form
    147,686.42/221,518.86 = 57,712.22/x
  3. Step 3: Cross multiply
    147,686.42x = 221,518.86 × 57,712.22
  4. Step 4: Simplify right side
    147,686.42x = 12,784,345,182.47
  5. Step 5: Solve for x
    x = 12,784,345,182.47/147,686.42
  6. Step 6: Final answer
    x = 86,564.12

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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.