Home / 130,478.46-195,793.02-70,507.14

Finding the Fourth Proportional to 130,478.46, 195,793.02 and 70,507.14

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Solution

The fourth proportional to 130,478.46, 195,793.02 and 70,507.14 is: 105,801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,478.46 : 195,793.02 = 70,507.14 : x
  2. Step 2: Convert to fraction form
    130,478.46/195,793.02 = 70,507.14/x
  3. Step 3: Cross multiply
    130,478.46x = 195,793.02 × 70,507.14
  4. Step 4: Simplify right side
    130,478.46x = 13,804,805,872.16
  5. Step 5: Solve for x
    x = 13,804,805,872.16/130,478.46
  6. Step 6: Final answer
    x = 105,801.42

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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.