Home / 130,193.01-179,664.72-76,482.92

Finding the Fourth Proportional to 130,193.01, 179,664.72 and 76,482.92

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Solution

The fourth proportional to 130,193.01, 179,664.72 and 76,482.92 is: 105,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,193.01 : 179,664.72 = 76,482.92 : x
  2. Step 2: Convert to fraction form
    130,193.01/179,664.72 = 76,482.92/x
  3. Step 3: Cross multiply
    130,193.01x = 179,664.72 × 76,482.92
  4. Step 4: Simplify right side
    130,193.01x = 13,741,281,508.26
  5. Step 5: Solve for x
    x = 13,741,281,508.26/130,193.01
  6. Step 6: Final answer
    x = 105,545.46

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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.