Home / 130,285.13-179,793.47-70,669.13

Finding the Fourth Proportional to 130,285.13, 179,793.47 and 70,669.13

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Solution

The fourth proportional to 130,285.13, 179,793.47 and 70,669.13 is: 97,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,285.13 : 179,793.47 = 70,669.13 : x
  2. Step 2: Convert to fraction form
    130,285.13/179,793.47 = 70,669.13/x
  3. Step 3: Cross multiply
    130,285.13x = 179,793.47 × 70,669.13
  4. Step 4: Simplify right side
    130,285.13x = 12,705,847,382.29
  5. Step 5: Solve for x
    x = 12,705,847,382.29/130,285.13
  6. Step 6: Final answer
    x = 97,523.39

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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.