Home / 111,371.04-153,680.51-68,352.35

Finding the Fourth Proportional to 111,371.04, 153,680.51 and 68,352.35

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Solution

The fourth proportional to 111,371.04, 153,680.51 and 68,352.35 is: 94,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,371.04 : 153,680.51 = 68,352.35 : x
  2. Step 2: Convert to fraction form
    111,371.04/153,680.51 = 68,352.35/x
  3. Step 3: Cross multiply
    111,371.04x = 153,680.51 × 68,352.35
  4. Step 4: Simplify right side
    111,371.04x = 10,504,423,410.18
  5. Step 5: Solve for x
    x = 10,504,423,410.18/111,371.04
  6. Step 6: Final answer
    x = 94,319.16

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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.