Home / 147,912.96-221,888.16-57,944.32

Finding the Fourth Proportional to 147,912.96, 221,888.16 and 57,944.32

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Solution

The fourth proportional to 147,912.96, 221,888.16 and 57,944.32 is: 86,923.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,912.96 : 221,888.16 = 57,944.32 : x
  2. Step 2: Convert to fraction form
    147,912.96/221,888.16 = 57,944.32/x
  3. Step 3: Cross multiply
    147,912.96x = 221,888.16 × 57,944.32
  4. Step 4: Simplify right side
    147,912.96x = 12,857,158,547.25
  5. Step 5: Solve for x
    x = 12,857,158,547.25/147,912.96
  6. Step 6: Final answer
    x = 86,923.81

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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.