Home / 147,021.96-202,909.68-143,018.94

Finding the Fourth Proportional to 147,021.96, 202,909.68 and 143,018.94

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Solution

The fourth proportional to 147,021.96, 202,909.68 and 143,018.94 is: 197,384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,021.96 : 202,909.68 = 143,018.94 : x
  2. Step 2: Convert to fraction form
    147,021.96/202,909.68 = 143,018.94/x
  3. Step 3: Cross multiply
    147,021.96x = 202,909.68 × 143,018.94
  4. Step 4: Simplify right side
    147,021.96x = 29,019,927,349.34
  5. Step 5: Solve for x
    x = 29,019,927,349.34/147,021.96
  6. Step 6: Final answer
    x = 197,384.98

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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.