Home / 130,162.13-179,623.74-70,546.13

Finding the Fourth Proportional to 130,162.13, 179,623.74 and 70,546.13

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Solution

The fourth proportional to 130,162.13, 179,623.74 and 70,546.13 is: 97,353.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,162.13 : 179,623.74 = 70,546.13 : x
  2. Step 2: Convert to fraction form
    130,162.13/179,623.74 = 70,546.13/x
  3. Step 3: Cross multiply
    130,162.13x = 179,623.74 × 70,546.13
  4. Step 4: Simplify right side
    130,162.13x = 12,671,758,815.01
  5. Step 5: Solve for x
    x = 12,671,758,815.01/130,162.13
  6. Step 6: Final answer
    x = 97,353.66

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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.