Home / 111,717.90-154,119.33-98,984.07

Finding the Fourth Proportional to 111,717.90, 154,119.33 and 98,984.07

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Solution

The fourth proportional to 111,717.90, 154,119.33 and 98,984.07 is: 136,552.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,717.90 : 154,119.33 = 98,984.07 : x
  2. Step 2: Convert to fraction form
    111,717.90/154,119.33 = 98,984.07/x
  3. Step 3: Cross multiply
    111,717.90x = 154,119.33 × 98,984.07
  4. Step 4: Simplify right side
    111,717.90x = 15,255,358,549.07
  5. Step 5: Solve for x
    x = 15,255,358,549.07/111,717.90
  6. Step 6: Final answer
    x = 136,552.50

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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.