Home / 130,192.56-179,666.40-75,776.94

Finding the Fourth Proportional to 130,192.56, 179,666.40 and 75,776.94

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Solution

The fourth proportional to 130,192.56, 179,666.40 and 75,776.94 is: 104,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,192.56 : 179,666.40 = 75,776.94 : x
  2. Step 2: Convert to fraction form
    130,192.56/179,666.40 = 75,776.94/x
  3. Step 3: Cross multiply
    130,192.56x = 179,666.40 × 75,776.94
  4. Step 4: Simplify right side
    130,192.56x = 13,614,570,012.82
  5. Step 5: Solve for x
    x = 13,614,570,012.82/130,192.56
  6. Step 6: Final answer
    x = 104,572.57

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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.