Home / 147,192.32-203,186.34-99,510.32

Finding the Fourth Proportional to 147,192.32, 203,186.34 and 99,510.32

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Solution

The fourth proportional to 147,192.32, 203,186.34 and 99,510.32 is: 137,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,192.32 : 203,186.34 = 99,510.32 : x
  2. Step 2: Convert to fraction form
    147,192.32/203,186.34 = 99,510.32/x
  3. Step 3: Cross multiply
    147,192.32x = 203,186.34 × 99,510.32
  4. Step 4: Simplify right side
    147,192.32x = 20,219,137,713.03
  5. Step 5: Solve for x
    x = 20,219,137,713.03/147,192.32
  6. Step 6: Final answer
    x = 137,365.44

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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.