Home / 111,717.16-154,170.34-60,730.29

Finding the Fourth Proportional to 111,717.16, 154,170.34 and 60,730.29

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Solution

The fourth proportional to 111,717.16, 154,170.34 and 60,730.29 is: 83,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,717.16 : 154,170.34 = 60,730.29 : x
  2. Step 2: Convert to fraction form
    111,717.16/154,170.34 = 60,730.29/x
  3. Step 3: Cross multiply
    111,717.16x = 154,170.34 × 60,730.29
  4. Step 4: Simplify right side
    111,717.16x = 9,362,809,305.77
  5. Step 5: Solve for x
    x = 9,362,809,305.77/111,717.16
  6. Step 6: Final answer
    x = 83,808.16

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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.