Home / 170,019.16-234,635.10-98,402.20

Finding the Fourth Proportional to 170,019.16, 234,635.10 and 98,402.20

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Solution

The fourth proportional to 170,019.16, 234,635.10 and 98,402.20 is: 135,800.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,019.16 : 234,635.10 = 98,402.20 : x
  2. Step 2: Convert to fraction form
    170,019.16/234,635.10 = 98,402.20/x
  3. Step 3: Cross multiply
    170,019.16x = 234,635.10 × 98,402.20
  4. Step 4: Simplify right side
    170,019.16x = 23,088,610,037.22
  5. Step 5: Solve for x
    x = 23,088,610,037.22/170,019.16
  6. Step 6: Final answer
    x = 135,800.05

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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.