Home / 130,218.84-194,233.55-118,259.60

Finding the Fourth Proportional to 130,218.84, 194,233.55 and 118,259.60

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Solution

The fourth proportional to 130,218.84, 194,233.55 and 118,259.60 is: 176,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,218.84 : 194,233.55 = 118,259.60 : x
  2. Step 2: Convert to fraction form
    130,218.84/194,233.55 = 118,259.60/x
  3. Step 3: Cross multiply
    130,218.84x = 194,233.55 × 118,259.60
  4. Step 4: Simplify right side
    130,218.84x = 22,969,980,367.11
  5. Step 5: Solve for x
    x = 22,969,980,367.11/130,218.84
  6. Step 6: Final answer
    x = 176,395.22

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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.