Home / 147,477.61-203,519.15-83,813.77

Finding the Fourth Proportional to 147,477.61, 203,519.15 and 83,813.77

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Solution

The fourth proportional to 147,477.61, 203,519.15 and 83,813.77 is: 115,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,477.61 : 203,519.15 = 83,813.77 : x
  2. Step 2: Convert to fraction form
    147,477.61/203,519.15 = 83,813.77/x
  3. Step 3: Cross multiply
    147,477.61x = 203,519.15 × 83,813.77
  4. Step 4: Simplify right side
    147,477.61x = 17,057,707,228.70
  5. Step 5: Solve for x
    x = 17,057,707,228.70/147,477.61
  6. Step 6: Final answer
    x = 115,663.03

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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.