Home / 147,186.04-203,063.58-83,486.93

Finding the Fourth Proportional to 147,186.04, 203,063.58 and 83,486.93

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Solution

The fourth proportional to 147,186.04, 203,063.58 and 83,486.93 is: 115,181.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,186.04 : 203,063.58 = 83,486.93 : x
  2. Step 2: Convert to fraction form
    147,186.04/203,063.58 = 83,486.93/x
  3. Step 3: Cross multiply
    147,186.04x = 203,063.58 × 83,486.93
  4. Step 4: Simplify right side
    147,186.04x = 16,953,154,889.01
  5. Step 5: Solve for x
    x = 16,953,154,889.01/147,186.04
  6. Step 6: Final answer
    x = 115,181.82

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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.