Home / 115,919.40-174,267.90-98,812.20

Finding the Fourth Proportional to 115,919.40, 174,267.90 and 98,812.20

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Solution

The fourth proportional to 115,919.40, 174,267.90 and 98,812.20 is: 148,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,919.40 : 174,267.90 = 98,812.20 : x
  2. Step 2: Convert to fraction form
    115,919.40/174,267.90 = 98,812.20/x
  3. Step 3: Cross multiply
    115,919.40x = 174,267.90 × 98,812.20
  4. Step 4: Simplify right side
    115,919.40x = 17,219,794,588.38
  5. Step 5: Solve for x
    x = 17,219,794,588.38/115,919.40
  6. Step 6: Final answer
    x = 148,549.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.