Home / 143,192.16-197,602.20-79,526.16

Finding the Fourth Proportional to 143,192.16, 197,602.20 and 79,526.16

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Solution

The fourth proportional to 143,192.16, 197,602.20 and 79,526.16 is: 109,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,192.16 : 197,602.20 = 79,526.16 : x
  2. Step 2: Convert to fraction form
    143,192.16/197,602.20 = 79,526.16/x
  3. Step 3: Cross multiply
    143,192.16x = 197,602.20 × 79,526.16
  4. Step 4: Simplify right side
    143,192.16x = 15,714,544,173.55
  5. Step 5: Solve for x
    x = 15,714,544,173.55/143,192.16
  6. Step 6: Final answer
    x = 109,744.45

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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.