Home / 111,699.32-154,146.10-60,712.16

Finding the Fourth Proportional to 111,699.32, 154,146.10 and 60,712.16

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Solution

The fourth proportional to 111,699.32, 154,146.10 and 60,712.16 is: 83,783.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,699.32 : 154,146.10 = 60,712.16 : x
  2. Step 2: Convert to fraction form
    111,699.32/154,146.10 = 60,712.16/x
  3. Step 3: Cross multiply
    111,699.32x = 154,146.10 × 60,712.16
  4. Step 4: Simplify right side
    111,699.32x = 9,358,542,920.16
  5. Step 5: Solve for x
    x = 9,358,542,920.16/111,699.32
  6. Step 6: Final answer
    x = 83,783.35

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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.