Home / 115,300.96-159,091.02-70,002.76

Finding the Fourth Proportional to 115,300.96, 159,091.02 and 70,002.76

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Solution

The fourth proportional to 115,300.96, 159,091.02 and 70,002.76 is: 96,589.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,300.96 : 159,091.02 = 70,002.76 : x
  2. Step 2: Convert to fraction form
    115,300.96/159,091.02 = 70,002.76/x
  3. Step 3: Cross multiply
    115,300.96x = 159,091.02 × 70,002.76
  4. Step 4: Simplify right side
    115,300.96x = 11,136,810,491.22
  5. Step 5: Solve for x
    x = 11,136,810,491.22/115,300.96
  6. Step 6: Final answer
    x = 96,589.05

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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.