Home / 170,018.16-234,633.72-98,401.20

Finding the Fourth Proportional to 170,018.16, 234,633.72 and 98,401.20

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Solution

The fourth proportional to 170,018.16, 234,633.72 and 98,401.20 is: 135,798.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,018.16 : 234,633.72 = 98,401.20 : x
  2. Step 2: Convert to fraction form
    170,018.16/234,633.72 = 98,401.20/x
  3. Step 3: Cross multiply
    170,018.16x = 234,633.72 × 98,401.20
  4. Step 4: Simplify right side
    170,018.16x = 23,088,239,608.46
  5. Step 5: Solve for x
    x = 23,088,239,608.46/170,018.16
  6. Step 6: Final answer
    x = 135,798.67

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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.