Home / 131,090.04-195,678.02-112,489.60

Finding the Fourth Proportional to 131,090.04, 195,678.02 and 112,489.60

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Solution

The fourth proportional to 131,090.04, 195,678.02 and 112,489.60 is: 167,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,090.04 : 195,678.02 = 112,489.60 : x
  2. Step 2: Convert to fraction form
    131,090.04/195,678.02 = 112,489.60/x
  3. Step 3: Cross multiply
    131,090.04x = 195,678.02 × 112,489.60
  4. Step 4: Simplify right side
    131,090.04x = 22,011,742,198.59
  5. Step 5: Solve for x
    x = 22,011,742,198.59/131,090.04
  6. Step 6: Final answer
    x = 167,913.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.