Home / 130,158.02-195,166.87-70,218.63

Finding the Fourth Proportional to 130,158.02, 195,166.87 and 70,218.63

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Solution

The fourth proportional to 130,158.02, 195,166.87 and 70,218.63 is: 105,290.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,158.02 : 195,166.87 = 70,218.63 : x
  2. Step 2: Convert to fraction form
    130,158.02/195,166.87 = 70,218.63/x
  3. Step 3: Cross multiply
    130,158.02x = 195,166.87 × 70,218.63
  4. Step 4: Simplify right side
    130,158.02x = 13,704,350,057.24
  5. Step 5: Solve for x
    x = 13,704,350,057.24/130,158.02
  6. Step 6: Final answer
    x = 105,290.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.