Home / 130,168.02-195,029.13-71,045.18

Finding the Fourth Proportional to 130,168.02, 195,029.13 and 71,045.18

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Solution

The fourth proportional to 130,168.02, 195,029.13 and 71,045.18 is: 106,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,168.02 : 195,029.13 = 71,045.18 : x
  2. Step 2: Convert to fraction form
    130,168.02/195,029.13 = 71,045.18/x
  3. Step 3: Cross multiply
    130,168.02x = 195,029.13 × 71,045.18
  4. Step 4: Simplify right side
    130,168.02x = 13,855,878,670.95
  5. Step 5: Solve for x
    x = 13,855,878,670.95/130,168.02
  6. Step 6: Final answer
    x = 106,446.10

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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.