Home / 130,424.04-195,061.05-113,538.60

Finding the Fourth Proportional to 130,424.04, 195,061.05 and 113,538.60

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Solution

The fourth proportional to 130,424.04, 195,061.05 and 113,538.60 is: 169,807.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,424.04 : 195,061.05 = 113,538.60 : x
  2. Step 2: Convert to fraction form
    130,424.04/195,061.05 = 113,538.60/x
  3. Step 3: Cross multiply
    130,424.04x = 195,061.05 × 113,538.60
  4. Step 4: Simplify right side
    130,424.04x = 22,146,958,531.53
  5. Step 5: Solve for x
    x = 22,146,958,531.53/130,424.04
  6. Step 6: Final answer
    x = 169,807.33

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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.