Home / 148,580.04-205,038.72-80,595.76

Finding the Fourth Proportional to 148,580.04, 205,038.72 and 80,595.76

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Solution

The fourth proportional to 148,580.04, 205,038.72 and 80,595.76 is: 111,221.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,580.04 : 205,038.72 = 80,595.76 : x
  2. Step 2: Convert to fraction form
    148,580.04/205,038.72 = 80,595.76/x
  3. Step 3: Cross multiply
    148,580.04x = 205,038.72 × 80,595.76
  4. Step 4: Simplify right side
    148,580.04x = 16,525,251,467.83
  5. Step 5: Solve for x
    x = 16,525,251,467.83/148,580.04
  6. Step 6: Final answer
    x = 111,221.21

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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.