Home / 130,088.96-179,551.76-79,090.92

Finding the Fourth Proportional to 130,088.96, 179,551.76 and 79,090.92

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Solution

The fourth proportional to 130,088.96, 179,551.76 and 79,090.92 is: 109,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,088.96 : 179,551.76 = 79,090.92 : x
  2. Step 2: Convert to fraction form
    130,088.96/179,551.76 = 79,090.92/x
  3. Step 3: Cross multiply
    130,088.96x = 179,551.76 × 79,090.92
  4. Step 4: Simplify right side
    130,088.96x = 14,200,913,886.02
  5. Step 5: Solve for x
    x = 14,200,913,886.02/130,088.96
  6. Step 6: Final answer
    x = 109,163.10

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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.