Home / 111,931.04-167,077.63-98,645.42

Finding the Fourth Proportional to 111,931.04, 167,077.63 and 98,645.42

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Solution

The fourth proportional to 111,931.04, 167,077.63 and 98,645.42 is: 147,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,931.04 : 167,077.63 = 98,645.42 : x
  2. Step 2: Convert to fraction form
    111,931.04/167,077.63 = 98,645.42/x
  3. Step 3: Cross multiply
    111,931.04x = 167,077.63 × 98,645.42
  4. Step 4: Simplify right side
    111,931.04x = 16,481,442,983.95
  5. Step 5: Solve for x
    x = 16,481,442,983.95/111,931.04
  6. Step 6: Final answer
    x = 147,246.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.