Home / 174,316.80-261,475.20-121,172.70

Finding the Fourth Proportional to 174,316.80, 261,475.20 and 121,172.70

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Solution

The fourth proportional to 174,316.80, 261,475.20 and 121,172.70 is: 181,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,316.80 : 261,475.20 = 121,172.70 : x
  2. Step 2: Convert to fraction form
    174,316.80/261,475.20 = 121,172.70/x
  3. Step 3: Cross multiply
    174,316.80x = 261,475.20 × 121,172.70
  4. Step 4: Simplify right side
    174,316.80x = 31,683,655,967.04
  5. Step 5: Solve for x
    x = 31,683,655,967.04/174,316.80
  6. Step 6: Final answer
    x = 181,759.05

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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.