Home / 272,055.56-407,461.02-130,000.68

Finding the Fourth Proportional to 272,055.56, 407,461.02 and 130,000.68

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Solution

The fourth proportional to 272,055.56, 407,461.02 and 130,000.68 is: 194,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,055.56 : 407,461.02 = 130,000.68 : x
  2. Step 2: Convert to fraction form
    272,055.56/407,461.02 = 130,000.68/x
  3. Step 3: Cross multiply
    272,055.56x = 407,461.02 × 130,000.68
  4. Step 4: Simplify right side
    272,055.56x = 52,970,209,673.49
  5. Step 5: Solve for x
    x = 52,970,209,673.49/272,055.56
  6. Step 6: Final answer
    x = 194,703.65

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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.